Earlier this week, Attorney General Dominic Grieve warned MPs that it would be a "serious matter" if Britain defied the European Court of Human Rights' ruling.
While Parliament was entitled to retain the current ban, he said that it could leave Britain liable to pay compensation as well as legal costs and expenses.
Parliamentary sovereignty remains, it is open to Parliament to decide not to change the law.
However if Parliament chooses not to implement the judgment this would be a serious matter because it would place the UK in breach of its international obligations to which it is a signatory.
More top news
Feeling chilly with cloudy skies across northern Britain and Northern Ireland today as rain steadily moves it way from west to east.
An EU referendum, more Scottish powers and tax freezes - but Cameron stopped short of scrapping the Human Rights Act, for now.
More powers for Wales, a ban on income tax rises and more free childcare are at the heart of the Conservative's Queen's Speech.