Your husband had to claim Tax Credit as a couple
My partner is a person subject to immigration control
Tax Credits
If your partner is a person subject to immigration control, but you are not, your partner is treated as if they are not a person subject to immigration control, and you are entitled to make a joint claim for Working Tax Credit or Child Tax Credit. However, unless you or your partner are responsible for a child, your Working Tax Credit will not include a couple element.
If your partner’s leave is on condition that they don’t have recourse to public funds, they are not regarded as having recourse to public funds if you make a joint claim. This means that their right to remain in the UK is not affected if you make a joint claim for Tax Credits.
https://www.turn2us.org.uk/Benefit-guid ... de-content
When you get moved over to Universal Credit (the welfare benefit that has replaced Tax Credit) there are different rules and regulations
