If I walk down the web of rules, ministers are accountable and answer to Parliament. In turn, ministers hold deputy ministers accountable for delivering all of the programs and services and following all the rules and acts that exist. Deputy ministers delegate that somewhere in their organization, and the responsibility then rests with a responsible person overseeing procurement in each and every department, agency and Crown corporation.
The requirement of getting a time sheet comes from two places. There's that delegation, but then if the contract calls for it, there's also the enforcement of the terms and conditions of the contract that the departments would have put in place. Ultimately, it flows its way back up through the organization, but it starts with the individual managing the contract and the procurement process.