What do the GoBD require regarding the immutability of bookings?

Once recorded, a booking must not be silently changeable. Corrections happen as a new, visible entry, not by overwriting.

Source: GoBD, BMF letter of 28.11.2019, amended 11.03.2024 and 14.07.2025; sections 146 and 147 AO.

Context

GoBD-compliant is not a certification: no official body certifies software as GoBD-compliant. What exists are procedural documentation and auditor opinions on one specific implementation. Alongside immutability the GoBD require traceability by a knowledgeable third party.

What GoBD-compliant means, and what it does not

Related facts

Checked against the source named above on 08/09/2026. We publish only statements traceable to a statute, an official journal, a BMF or BZSt publication, or to one of our own disclosed datasets. This page states the legal position and is not legal or tax advice.