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Collection

Tax information and impact notes

The government publish tax information and impact notes (TIINs) for tax policy changes when the policy is final or near final.

TIINs give a clear explanation of the policy objective together with details of the tax impact on:

  • the Exchequer
  • the economy
  • individuals
  • businesses
  • civil society organisations
  • any equality or other specific area of impact

The National Archives website has details of TIINs published:

Finance Bill 2026-27

Tax update 2026

Budget 2025

Finance Bill 2025-26

Autumn Budget 2024

Finance Bill 2024-25

Spring Finance Bill 2024

Autumn Finance Bill 2023

Draft Finance bill 2023-24 (18 July 2023)

Spring Finance Bill 2023

TIINs published from January 2023