standing operating procedure
standard operating procedure
SOP
standard procedure

"Nothing with you people has gone according to standard procedure."

It was standard procedure for me to take the call.

All this is standard procedure at the end of a season.

The department said it would follow standard procedure and test again in three months.

"It was not standard procedure 10 or 15 years ago."

He went alone, not standard procedure, and doesn't remember why.

I am even being told that this is standard procedure.

One or two words an hour was his standard operating procedure.

The other officers took control of the scene using standard procedure.

"Our standard procedures are well above what is required," he said.