We keep the books, close the month, reconcile the bank, and prepare statements an owner can explain. We set a payroll company up, watch one payday cross into those books, and stop. Filing the return is the last step, after the months stop arguing with each other. The limit on signed reports is drawn on the disclosures page, not in this answer.
The first screen of the home page says the same thing in fewer words, with Steven Palmieri named as Tax CFO and the Entrepreneur's CFO. If you only remember one sentence, remember that the month has to be named before the return is prepared.