Within 15 calendar days after Congress adjourns to end a session (other than of the One Hundred First Congress) and on the same day as a sequestration (if any) under section
901 of this title and section
902 of this title, but after any sequestration required by section
901 of this title (enforcing discretionary spending limits) or section
902 of this title (enforcing pay-as-you-go), there shall be a sequestration to eliminate the excess deficit (if any remains) if it exceeds the margin.