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Marriage Allowance

Overview

Marriage Allowance lets the lower earner of a couple transfer some of their Personal Allowance to their husband, wife or civil partner. If they are eligible this will then lower their tax bill.

The sandbox endpoint is https://test-api.service.hmrc.gov.uk.

Documentation

Marriage Allowance documentation

Endpoint

https://api.service.hmrc.gov.uk

Contact

SDSTeam@hmrc.gov.uk