# Immigration and Asylum Act 1999, Paragraph 4

Extent: E+W+S+N.I.

A person who assaults a detainee custody officer who is—
(a) acting in accordance with escort arrangements,
(b) performing custodial functions, ...
(c) performing functions of a custodial nature at a short-term holding facility or in pre-departure accommodation , or
(d) performing functions under section 51 of the Immigration Act 2016 (search for nationality documents),
is guilty of an offence and liable on summary conviction to a fine not exceeding level 5 on the standard scale or to imprisonment for a term not exceeding six months or to both.

---
Source: https://www.legislation.gov.uk/ukpga/1999/33/schedule/11/paragraph/4 (the official version)
Page: https://openlegislation.uk/immigration-and-asylum-act-1999/schedule-11/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.