Stourbridge MP Cat Eccles is being investigated by the parliamentary standards watchdog over claims that she was late declaring a trip to Israel and the Palestinian territories.
The standards commissioner, Daniel Greenberg, announced that he was looking into a possible breach under rules about the declaration of an interest, external and the late registration of an interest.
In the most recent filings, external, Eccles listed a trip to Israel and the Palestinian territories, sponsored by Labour Friends of Israel, with flights, accommodation and meals totalling £2,600.
Ms Eccles has been contacted for a comment.