Tad has had a couple of spankings over this behavior, when he kept going after you warned him. When that didn't settle things, you put him on some light restrictions and extra chores.
Today, you got home, ready for another fight. Instead, you find that not only are all his chores, including the extras are done, that he has a couple of pieces of homework out for you to check, but he also emptied and refilled the dishwasher.
After seeing all this, you see Tad in back, with a couple of his friends. Tad knows (and has had the sore bottom to show for it), that while he's on restriction, he's not supposed to have company until you've checked his homework and chores and okayed it.
How do you let him know you're home?