Steps
Open Periods from Books and choose the locked month.
Lock the month first; Mark filed shows only for a locked month.

Step 1 in Deline (United States business, fictional data) · See the whole screen Open Filing & corrections.

Step 2 in Deline (United States business, fictional data) · See the whole screen After you have filed the return outside Deline, press Mark filed and confirm.

Step 3 in Deline (United States business, fictional data) · See the whole screen
Last checked 2026-11-08 by the guide runner on build dcfdeab0a (Deline dac92a47a) (local Deline stack).