With Valentine's Day still burning bright in some taxpayer's hearts, HMRC is encouraging married couples and people in civil partnerships to sign up for a tax break this year.

Marriage Allowance offers individuals the chance to transfer part of their Personal Allowance to their husband, wife or civil partner, which could reduce their tax by up to £250 a year. For some couples, this could mean a backdated payment of up to four years of claims which could be as much as £1,188. 

It is free to apply for Marriage Allowance and HMRC is encouraging customers to claim directly through its online portal to ensure they rec...