standing order

WordReference Random House Unabridged Dictionary of American English © 2025

stand′ing or′der, 

1. Military (formerly) a general order always in force in a command and establishing uniform procedures for it;
   standard operating procedure.
2. Government standing orders, [Parl. Proc.] the rules ensuring continuity of procedure during the meetings of an assembly.
• 1730–40

Collins Concise English Dictionary © HarperCollins Publishers::

standing order noun

1. Also called: banker's order an instruction to a bank by a depositor to pay a stated sum at regular intervals
   Compare direct debit
2. a rule or order governing the procedure, conduct, etc, of a legislative body
3. one of a number of orders which have or are likely to have long-term validity