Travel allowances · Payroll · Income tax · Executions · B2B — with full audit trail and paragraph citations.
Eliminates common calculation errors in rounding. Results match the precision required by applicable legislation, not approximation. Historical rates from 2010 in a single database.
Auditable calculation with references to paragraphs. Chain: law → § → clause → input → output → rounding. Documentable for tax audit or labour inspection.
REST API with Aether Signature envelope — JWS ES256 signature on every response. Direct integration into internal systems, ERP or payroll software.
Calculation sheet with full audit — generated server-side, with a digitally verifiable output for every response. Ideal attachment to payroll records.
Rates and coefficients from 2010 in a single database. Calculation according to the applicable version of the law at the chosen date — suitable for correcting past periods and preparing tax returns.
Axiom.Codex as a tool for AI agents and office environments. Claude, Copilot and other assistants call legislative calculations directly from the work context without manual transcription.
Each with full audit trail, paragraph citations and historical rates from 2010.
283/2002 Coll.
Meal allowances, km reimbursements, foreign rates, accommodation and incidental expenses. ECB rates updated daily.
461/2003 · 580/2004 Coll.
Social insurance, health insurance (employee and employer), tax advance, company car benefit, net wage.
595/2003 Coll.
Annual personal income tax — non-taxable base, child tax bonus, monthly advance.
VAT, depreciation, corporate income tax, self-employed health insurance, withholding tax. Modules at proof-of-concept stage — internal validation in progress.
222/2004 Coll.
595/2003 §22–§28
595/2003 §15
580/2004 §19
595/2003 §43
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