swaitsandClaude Opus 5.5
ad572ae89d
Stephen asked that specs come from recognized documents, not from anyone's memory. There is no single US bookkeeping bible; authority is layered, and this records it: - docs/spec/sources/: verbatim excerpts (whitespace normalized), each with URL, retrieval date, and the SHA-256 of the fetched file, of public-domain texts: Pacioli's 1494 treatise in Geijsbeek's 1914 translation (double entry, the trial balance, one money, write only forward, correct by opposite entry, close into capital); IRS Pub. 583, 538, 946, 15; the 1099-MISC/NEC instructions (2025 and 2026); 26 U.S.C. §6041, §6041A, §704; Treas. Reg. §1.263(a)-1(f) and -4(f); Notice 2015-82; Rev. Proc. 98-25; Form 1065 instructions; 17 U.S.C. §105. The excerpts were extracted by matching each passage against the fetched file, so none can contain text the source doesn't. - docs/spec/rules.md: the rule catalog, B-1 to B-22. Each rule says AUTHORITY, CONVENTION, or DECISION; cites its sources (FASB's Codification and Concepts Statement 8 and OpenStax quoted briefly, never copied: copyright and CC BY-NC-SA); and names the code that enforces it and the tests and proofs that check it. - Spec blocks in the code now carry SOURCE: lines into the catalog; AGENTS.md makes sourcing rule 0 of the formal-methods bar. Corrections the sources turned up: the de minimis limit is $500 in the regulation and $2,500 by Notice 2015-82 (both now cited); 1099 thresholds after 2026 are inflation-indexed, so the engine's flat $2,000 for 2027+ is an open question (B-19). Unverified ASC paragraphs (360-10-35-4, 340-10, 230-10-45-10, 606-10-55-37B, 210) are listed in docs/spec/README.md until someone with a FASB basic-view login reads them. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
918 B
Payroll taxes
IRS Publication 15 (2026), Circular E. Governs the payroll entries (employer and employee FICA). wanderbooks records payroll; the withholding numbers come from the caller.
IRS Publication 15 (2026)
Source: https://www.irs.gov/publications/p15
Retrieved: 2026-10-13
SHA-256 of the retrieved file (p15.txt): ddc1260a4b24e4f9a476f6b9485ee9bbba5cc3be545e6014c51c7f65019a1efc
Rates
For 2026, the social security tax rate is 6.2% (amount withheld) each for the employer and employee (12.4% total). The social security wage base limit is $184,500. The tax rate for Medicare is 1.45% (amount withheld) each for the employee and employer (2.9% total). There is no wage base limit for Medicare tax; all covered wages are subject to Medicare tax.
Deposits
Generally, you must deposit federal income tax withheld and both the employer and employee social security and Medicare taxes.