After that sub-paragraph there is inserted—

“(3A)

Where the period specified in a warrant of further detention—

(a)

ends at the end of the period of seven days beginning with the relevant time, or

(b)

by virtue of a previous extension (or further extension) under this sub-paragraph, ends after the end of that period,

the specified period may, on an application under this paragraph, be extended or further extended to a period ending not later than the end of the period of fourteen days beginning with the relevant time.

(3B)

In this paragraph “the relevant time”, in relation to a person, means—

(a)

the time of his arrest under section 41, or

(b)

if he was being detained under Schedule 7 when he was arrested under section 41, the time when his examination under that Schedule began.”