If you've ever worked for a defense contractor, you have charge codes for everything. They take charging to the correct code correctly very very seriously. (In 6 minute intervals (.1 hr)). Submit your time daily.

We were a Boeing Sub contractor.

Timecard fraud was a fireable offense. The company I worked for was rumored to have fired someone who came into the office on a weekend and badged in his buddy who wasn't actually there. Basically trying to game the door timer system.

My last task at big co, was making a timecard app for ios and blackberry, to make it easy.

I think he’s just saying remember to get paid for it. Don’t do it for free if you are hourly or contracting. Required training in the US is a paid activity.