Regulation 13 Internal complaints procedure
United Kingdom
A public authority or a third party must establish an internal complaints procedure for dealing with a complaint relating to the performance of its functions under these Regulations.
A complaint relating to the performance by a public authority or a third party of its functions under these Regulations—
must be pursued according to the complaints procedure established by that authority or third party under paragraph (1); and
must be made in writing.
A public authority or a third party must determine a complaint within a reasonable time, and must notify the complainant of its determination without delay.
Notification under paragraph (3) must be in writing and give reasons for the determination.