# Balancing Ledgers: A Step-by-Step Guide for Modern Bookkeepers Published: 2026-03-14 Author: Warren Team URL: https://www.heywarren.com/blog/balancing-ledgers --- A ledger that does not balance is more than an accounting nuisance, it is a flashing red light that something in your books is wrong. Maybe a number was transposed, maybe a journal entry was posted to the wrong side, maybe a deposit was recorded twice. Whatever the cause, an unbalanced ledger blocks your month-end close, distorts financial statements, and exposes you to audit risk. The good news: the procedure for finding and fixing the error is highly systematic. This guide walks through exactly how to balance a ledger, manually and inside accounting software, with the same checklist a controller would use. ## What Balancing Ledgers Actually Means **Balancing ledgers** is the process of confirming that the total debits in your accounting records equal the total credits, and that each account's running balance reconciles with supporting documentation. It is the practical expression of the **accounting equation** (Assets = Liabilities + Equity) and the foundation of **double-entry bookkeeping**, the system used by virtually every business since Luca Pacioli formalized it in 1494. When we say a ledger "balances," we mean three things at once: 1. The **debit and credit** sides of every individual account net to a defensible figure. 2. The sum of all debit balances across the **general ledger** equals the sum of all credit balances on the **trial balance**. 3. Subsidiary ledgers ([accounts receivable](/blog/accounts-receivable), accounts payable, inventory) reconcile to their corresponding **control accounts** in the general ledger. If any of those three checks fails, the books are not closed. Period. This is not optional housekeeping, under **[GAAP](https://www.fasb.org/)** and most tax frameworks, an unbalanced ledger is an unauditable ledger. ### Why It Matters Beyond the Numbers A clean, balanced ledger powers: - **Reliable financial statements**, the income statement and balance sheet pull directly from ledger balances. - **Audit defensibility**, external auditors trace from trial balance to journal entries to source documents. - **Tax accuracy**, depreciation schedules, [deferred revenue](/blog/deferred-revenue), and accruals all rest on balanced books. - **Lender and investor trust**, a banker reviewing your loan covenants assumes your ledger ties out. - **Operational decisions**, pricing, cash forecasting, and headcount planning become guesswork on bad data. ## The Mechanics: Debits, Credits, and the T-Account Before we get into the procedure for balancing ledgers, you need a working mental model of the **T-account**, the visual shorthand bookkeepers use to track activity in a single account. ![How debits and credits net to an ending balance in a single T-account.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201090%20125%22%20width%3D%221090%22%20height%3D%22125%22%20role%3D%22img%22%3E%3Ctitle%3EFlow%20diagram%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Crect%20x%3D%2230%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22115%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ERecord%20Debits%3C%2Ftext%3E%3Ctext%20x%3D%22115%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3ELeft%20side%3C%2Ftext%3E%3Cline%20x1%3D%22205%22%20y1%3D%2262.5%22%20x2%3D%22237%22%20y2%3D%2262.5%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cpolygon%20points%3D%22244%2C62.5%20235%2C57.5%20235%2C67.5%22%20fill%3D%22%2364748b%22%2F%3E%3Crect%20x%3D%22245%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22330%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ERecord%20Credits%3C%2Ftext%3E%3Ctext%20x%3D%22330%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3ERight%20side%3C%2Ftext%3E%3Cline%20x1%3D%22420%22%20y1%3D%2262.5%22%20x2%3D%22452%22%20y2%3D%2262.5%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cpolygon%20points%3D%22459%2C62.5%20450%2C57.5%20450%2C67.5%22%20fill%3D%22%2364748b%22%2F%3E%3Crect%20x%3D%22460%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22545%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EFoot%20Each%20Side%3C%2Ftext%3E%3Ctext%20x%3D%22545%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3ESum%20independently%3C%2Ftext%3E%3Cline%20x1%3D%22635%22%20y1%3D%2262.5%22%20x2%3D%22667%22%20y2%3D%2262.5%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cpolygon%20points%3D%22674%2C62.5%20665%2C57.5%20665%2C67.5%22%20fill%3D%22%2364748b%22%2F%3E%3Crect%20x%3D%22675%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22760%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ECompute%20Balance%3C%2Ftext%3E%3Ctext%20x%3D%22760%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3ELarger%20minus%20smaller%3C%2Ftext%3E%3Cline%20x1%3D%22850%22%20y1%3D%2262.5%22%20x2%3D%22882%22%20y2%3D%2262.5%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cpolygon%20points%3D%22889%2C62.5%20880%2C57.5%20880%2C67.5%22%20fill%3D%22%2364748b%22%2F%3E%3Crect%20x%3D%22890%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22975%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ECarry%20Forward%3C%2Ftext%3E%3Ctext%20x%3D%22975%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3EBalance%20b%2Fd%3C%2Ftext%3E%3C%2Fsvg%3E) *How debits and credits net to an ending balance in a single T-account.* A T-account looks exactly like the letter T. The account name sits on top, debits go on the left, credits go on the right. Here is a simplified Cash T-account for a small consulting firm during one week: | Cash (Debit) | Cash (Credit) | |---|---| | Beginning balance: 12,000 | | | Client payment received: 4,500 | Rent paid: 3,200 | | Owner contribution: 2,000 | Software subscription: 180 | | Refund from vendor: 75 | Payroll: 6,400 | | **Total debits: 18,575** | **Total credits: 9,780** | | **Ending balance: 8,795** | | To balance this account, you sum each side, find the difference, and carry it down as the ending balance on the larger side. Cash is an asset, so its **normal balance** is a debit, the 8,795 ending balance is positive. If credits had exceeded debits, you would have a credit balance in cash, which usually signals an overdraft or a posting error worth investigating. ### Normal Balances by Account Type Memorizing normal balances saves enormous time when you are balancing ledgers under deadline pressure: - **Assets**, normal debit balance (cash, receivables, inventory, fixed assets). - **Liabilities**, normal credit balance (payables, [accrued expenses](/blog/accrued-expenses), loans). - **Equity**, normal credit balance (common stock, retained earnings). - **Revenue**, normal credit balance. - **Expenses**, normal debit balance. If you ever see an account showing a balance opposite its normal side, treat it as a discrepancy until you can prove otherwise. ## Step-by-Step: How to Balance a Single Ledger Account Whether you keep books in a spreadsheet, a paper journal, or a cloud platform, the underlying procedure for balancing a single account is identical. Here is the controller-grade checklist. ### Step 1: Foot the Columns "Footing" is bookkeeper slang for adding up a column. Sum the debit column and the credit column independently. Use a calculator or spreadsheet formula, never trust a mental tally for anything material. Write the totals lightly in pencil (or in a clearly marked subtotal row in your spreadsheet) so they can be erased if you find an error. ### Step 2: Compute the Account Balance Subtract the smaller side from the larger side. The result is the **balance carried down (b/d)** for the next period. If the larger side is debits, you have a debit balance; if larger side is credits, you have a credit balance. ### Step 3: Compare to the Prior Period Pull the ending balance from the previous month and compare it to your new beginning balance. They must match exactly. A mismatch here means someone backdated a journal entry into a closed period, a classic source of trouble that requires a corrective entry. ### Step 4: Tie to Source Documents For every line on the ledger, you should be able to point to a source document: an invoice, a bank statement line, a receipt, a contract, a payroll register. If you cannot, the entry is unsupported and must be either documented or reversed. ## Building the Trial Balance Once each individual account is balanced, you assemble the **trial balance**, a single report listing every account in the general ledger with its closing debit or credit balance. The total of all debits must equal the total of all credits. This is the cardinal proof of double-entry bookkeeping. Here is what a small-business trial balance might look like at month-end: | Account | Debit | Credit | |---|---|---| | Cash | 8,795 | | | Accounts Receivable | 14,200 | | | Inventory | 22,500 | | | Equipment | 35,000 | | | [Accumulated Depreciation](/blog/accumulated-depreciation) | | 7,000 | | Accounts Payable | | 6,400 | | Notes Payable | | 25,000 | | Common Stock | | 30,000 | | Retained Earnings | | 8,295 | | Service Revenue | | 18,400 | | Rent Expense | 3,200 | | | Payroll Expense | 6,400 | | | Software Expense | 180 | | | Depreciation Expense | 4,820 | | | **Totals** | **95,095** | **95,095** | If your trial balance does not foot, you have an error somewhere, and the rest of this guide is dedicated to finding it efficiently. ## Common Error Patterns When Balancing Ledgers Bookkeeping errors follow predictable patterns. Recognize them and you cut your troubleshooting time by half. ### Transposition Errors A **transposition error** happens when two adjacent digits get swapped, you record 5,940 instead of 5,490, or 12,300 instead of 13,200. The diagnostic trick: any transposition produces a discrepancy that is divisible by 9. So if your trial balance is off by 450, 9,000, or 27, suspect a transposition first. Scan your journal entries for amounts that, when their digits are reordered, would close the gap. ### Slide Errors A **slide error** is a misplaced decimal, recording 1,250.00 as 12,500.00 or 125.00. The discrepancy is typically a power of ten. If your books are off by exactly 1,125 or 11,250, look for a slide. These are particularly common when manually keying figures from a printed report. ### Posting to the Wrong Side The bookkeeper records a credit in the debit column or vice versa. The trial balance discrepancy is **twice the amount of the misposted entry**. So if your trial balance is off by 800, scan for a journal entry of exactly 400 that may have been posted to the wrong side. ### Missed Postings A **journal entry** was recorded in the journal but never posted to the ledger, or only one side was posted. Cross-check your journal totals against ledger postings for the period. Most accounting software flags this automatically; manual systems require a manual cross-foot. ### Duplicate Entries The same transaction is recorded twice. Bank reconciliation usually surfaces these because the duplicated entry will not appear on the bank statement. Search for two entries with identical amounts and dates posted within minutes of each other. ## Ledger Reconciliation: The Final Check Even a perfectly footed trial balance can hide errors. **Ledger reconciliation** is the process of comparing your ledger balances to independent third-party records to confirm they match reality. ### Bank Reconciliation The most common reconciliation. Compare your cash ledger to the bank statement, accounting for outstanding checks, deposits in transit, bank fees, and interest income. Any unexplained difference is a red flag. ### Accounts Receivable Reconciliation Sum the balances in your **subsidiary ledger** of individual customer accounts. That total must equal the AR **control account** balance in the general ledger. A mismatch means a customer payment was posted to the GL but not the sub-ledger, or vice versa. ### Accounts Payable Reconciliation Same idea, vendor side. Your AP sub-ledger total must equal the AP control account. Cross-check open invoices against vendor statements quarterly to catch missed bills. ### Inventory Reconciliation Compare ledger inventory balance to the physical count from your warehouse management system. Adjust for shrinkage with a documented entry, never a plug. ## Manual Versus Software Workflows for Balancing Ledgers The principles of balancing ledgers do not change between paper and software, but the friction does. ### The Manual Workflow In a paper or spreadsheet system, you carry the full burden of arithmetic and consistency. The advantage is forced rigor, you cannot hide behind automation. The disadvantage is time and error rate. Manual workflows make sense for tiny single-owner operations or as training exercises, but they break at scale. A typical month-end close on paper takes 5 to 15 hours per ledger. ### The Software Workflow Modern accounting platforms (QuickBooks, Xero, NetSuite, Sage Intacct, etc.) enforce double-entry automatically, every journal entry must balance before it can be saved. They generate the trial balance with a click and produce variance reports against prior periods. Bank feeds pull transactions directly, dramatically reducing data-entry errors. But software does not eliminate the need to understand balancing, it just shifts where errors hide. Common software-era pitfalls include: - **Misclassified transactions**, an expense coded to the wrong account still balances but distorts your P&L. - **Auto-generated entries gone wrong**, recurring journal entries that fire after a chart-of-accounts change. - **Bank-feed duplicates**, manually entered transactions plus auto-imported transactions for the same item. - **Unposted batches**, journal entries saved as drafts but never posted. The skill of balancing ledgers in software is less about arithmetic and more about reviewing exception reports, investigating variances, and maintaining a clean chart of accounts. ## The Month-End Close Procedure Here is a controller-grade close checklist that institutionalizes balancing ledgers as a repeatable monthly process. ![The ten-step controller-grade close procedure that institutionalizes ledger balancing.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20800%20149%22%20width%3D%22800%22%20height%3D%22149%22%20role%3D%22img%22%3E%3Ctitle%3ETimeline%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Cline%20x1%3D%22120%22%20y1%3D%2255%22%20x2%3D%22680%22%20y2%3D%2255%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%223%22%2F%3E%3Ccircle%20cx%3D%22120%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22120%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E1%3C%2Ftext%3E%3Ctext%20x%3D%22120%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ECut%20Off%20Period%3C%2Ftext%3E%3Ccircle%20cx%3D%22260%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22260%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E2%3C%2Ftext%3E%3Ctext%20x%3D%22260%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EReconcile%20Cash%3C%2Ftext%3E%3Ccircle%20cx%3D%22400%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22400%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E3%3C%2Ftext%3E%3Ctext%20x%3D%22400%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EPost%20Accruals%20%26amp%3B%20Def%E2%80%A6%3C%2Ftext%3E%3Ccircle%20cx%3D%22540%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22%232563eb%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%223%22%2F%3E%3Ctext%20x%3D%22540%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22white%22%3E4%3C%2Ftext%3E%3Ctext%20x%3D%22540%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ETrial%20Balance%3C%2Ftext%3E%3Ccircle%20cx%3D%22680%22%20cy%3D%2255%22%20r%3D%2224%22%20fill%3D%22white%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22680%22%20y%3D%2260%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2215%22%20font-weight%3D%22700%22%20fill%3D%22%230f172a%22%3E5%3C%2Ftext%3E%3Ctext%20x%3D%22680%22%20y%3D%22101%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2212%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ELock%20%26amp%3B%20Report%3C%2Ftext%3E%3C%2Fsvg%3E) *The ten-step controller-grade close procedure that institutionalizes ledger balancing.* 1. **Cut off the period.** Stop accepting new transactions for the closing month by a stated date (often the 5th business day of the following month). 2. **Reconcile cash.** Match every bank account and credit card to its statement. 3. **Process accruals.** Record expenses incurred but not yet billed (utilities, professional fees, payroll). 4. **Record deferrals.** Move [prepaid expenses](/blog/prepaid-expenses) and [unearned revenue](/blog/unearned-revenue) to the appropriate periods. 5. **Run depreciation and amortization.** Post the monthly schedule for fixed assets and intangibles. 6. **Reconcile sub-ledgers.** AR, AP, inventory, and fixed-asset register all tie to control accounts. 7. **Generate the trial balance.** Confirm debits equal credits. 8. **Review variance to prior month.** Investigate any account that moved more than your materiality threshold (often 5 to 10 percent). 9. **Lock the period.** Prevent further postings to the closed month. 10. **Produce financial statements.** Income statement, balance sheet, cash flow statement. A disciplined close turns balancing ledgers from a fire drill into a routine. ## When to Escalate Most ledger discrepancies can be resolved by a competent bookkeeper in under an hour. Some cannot. Escalate to a CPA, controller, or forensic accountant when: - The discrepancy persists after a full re-foot and reconciliation. - You discover entries you did not authorize. - Cash variances exceed your materiality threshold and are unexplained. - A prior-period balance has been altered without an audit trail. - You suspect fraud, embezzlement, or check tampering. - You are preparing for an audit, financing, or sale of the business. A good external accountant will charge for a few hours of investigation, but the cost of an unaudited or fraudulent set of books is orders of magnitude higher. ## Authoritative Sources For deeper background and primary-source data on this topic, the following authoritative sources are useful starting points: - [IFRS Foundation](https://www.ifrs.org/) - [AICPA](https://www.aicpa-cima.com/) ## Conclusion Balancing ledgers is the heartbeat of accounting, the routine, disciplined check that turns raw transactions into trustworthy financial statements. Master it and everything downstream gets easier. Five takeaways to anchor the practice: 1. **Double-entry is non-negotiable.** Every transaction has equal debits and credits, every time. 2. **The trial balance is your first line of defense**, but it does not catch every error, so reconciliations matter. 3. **Errors are predictable.** Transposition, slide, wrong-side, missed-posting, and duplicate errors cover the vast majority of cases. 4. **Software helps, but understanding wins.** Tools enforce arithmetic; only judgment catches misclassification. 5. **A disciplined month-end close** turns balancing ledgers from chaos into a checklist. Ready to put this knowledge to work? Try Warren, your AI financial advisor, get personalized, conflict-free guidance at heywarren.com --- ## Related Reading **More from Warren**: - [Accounts Receivable: What It Is, How It Works, and Why It Matters](/blog/accounts-receivable) - [Accrual Accounting vs. Cash Accounting: Key Differences and When Each Is Used](/blog/accrual-vs-cash-accounting) - [How to Accrue an Expense: Journal Entries and Accounting Treatment](/blog/accrue-an-expense) **Authoritative sources**: - [FASB, Accounting Standards Codification](https://asc.fasb.org/) - [AICPA, Financial Reporting](https://www.aicpa-cima.com/topic/audit-assurance/financial-reporting) - [SEC EDGAR, Company Filings](https://www.sec.gov/edgar/searchedgar/companysearch)