Guidance: Self Assessment technical specifications (2026) for partnership returns
· WOWERI
Use this technical documentation for partnership returns if you’re a software developer working with the Self Assessment online service. This guide will help you understand the technical requirements for partnership returns.
Introduction
The Self Assessment technical specifications (2026) for partnership returns are designed for software developers working with the Self Assessment online service. This guide will help you understand the technical requirements for partnership returns.
Technical Requirements
For partnership returns, you must use the technical specifications published on the gov.uk website.
Application
These technical specifications apply to partnership returns submitted through the Self Assessment online service.
Conclusion
By using this technical guide, you will be able to correctly prepare and submit partnership returns for Self Assessment.
What to do next
Source: gov.uk