Informal job actions by officers in which they refuse to perform certain job functions in an attempt to win labor concessions from their employers is called . blue flu sit-out blackout blue-out

The correct answer is letter "A": blue flu.

Explanation:

The blue flu is a type of strike carried out by police officers and other government deputies that are not allowed to go on such labor complaints because of the responsibility inherent in their duties. Though, a form of protest against unfair labor conditions is submitting sick leaves massively which affects the operations of their security systems.

answerpublish a notice of the proposed rulemaking proceeding in the federal register;