procedure

(noun): A particular method for performing a task.
(noun): A series of small tasks or steps taken to accomplish an end.
(noun): The set of established forms or methods of an organized body for accomplishing a certain task or tasks.
(noun): The steps taken in an action or other legal proceeding.
(noun): That which results; issue; product.
(noun): A subroutine or function coded to perform a specific task.
(noun): A surgical operation.

Ensure that you follow procedure when accessing customers' personal information.