Article 38 Duration of sentences: persons unlawfully at largeI1
United Kingdom
(1)
A person serving a relevant sentence, who would otherwise be treated under section 301 of the Act as having been unlawfully at large for a period for the purposes of that section shall be treated as not having been unlawfully at large for any part of that period in which he was in the custody of a civil authority.
(2)
In paragraph (1) “civil authority” means—
(a)
a constable; and
(b)
any other civil authority, whether of the United Kingdom or otherwise, authorised by law to detain persons.