a plastic lid is hinged to a rodent bait containing base . a card holder protrudes from the inside surface of a lid upper wall . tabs extend inwardly from two side rails extending from the inside surface , with a flexible service record card being retained between the tabs and the inside surface . inadvertent dislodgment of the card from between the side rails is prevented by front and rear members . the card is readily removed from the card holder by being flexed and extracted over the front member . the tabs may have beveled front surfaces to facilitate insertion of the card . the card is marked with indicia to indicate the service history of the bait station .