Sources and references
Use these institutional starting points to verify tax, social-security and employment information. Official sources take priority over any online estimate.
01
Normattiva
02Codice civile, art. 2120
General reference for TFR and the statutory accrual criteria.
Agenzia delle Entrate
03Modello 730/2026 — istruzioni
Official instructions and references for income, deductions and taxes.
Agenzia delle Entrate
04Circolare n. 4/E del 16 maggio 2025
Clarifications on employment income and tax measures for the relevant period.
INPS
05Contribuzione e aliquote
Institutional social-security references; the effective rate depends on the worker’s position.
Ministero del Lavoro e delle Politiche Sociali
Normativa e lavoro
Institutional portal for employment information and labour regulation.
Note: These links lead to external institutional websites. Their documents and rules can be updated by the relevant authorities.