He said that, in cases where victims have accessed support from third parties or charities, the DWP will be notified by said organisations and it will not be investigated.
But he was unable to explain how claims would be verified when made by a woman who had never accessed support or, indeed, told anyone about being raped.
More guidance on the issue is due to be published shortly but the model used is expected to be similar to the “third-party evidence” model used for domestic violence victims.
The department released a statement saying: “This exception is crucial to protect women who are faced with very difficult circumstances.
“This reform ensures people on benefits have to make the same choices as those supporting themselves solely through work.
“But we have always been clear this it will be delivered in the most effective, compassionate way, with the right exceptions and safeguards are in place.”
“The policy was debated, and voted on, in Parliament, and the exceptions were consulted on widely.”