Use "procedure" in a sentence about the normal way of doing things, such as notifying applicants for a job or assigned actors' roles.
Put the noun procedure in a sentence about performing a formal action, such as serving legal papers or registering for a motor vehicle license.
Write a sentence with the word procedure to show that an action conforms with a previously established way of doing so, such as placing a legal notice in the newspaper or posting notice of a special meeting by a city council.