http://www.legislation.gov.uk/ukpga/2011/23/section/5/enacted
Terrorism Prevention and Investigation Measures Act 2011
Hearings
Weights and measures
en
King's Printer of Acts of Parliament
2016-07-19
Two year limit on imposition of measures without new terrorism-related activity
5Two year limit for TPIM notices
1
A TPIM notice—
a
comes into force when the notice is served on the individual or, if later, at the time specified for this purpose in the notice; and
b
is in force for the period of one year.
2
The Secretary of State may by notice extend a TPIM notice for a period of one year beginning when the TPIM notice would otherwise expire.
3
A TPIM notice—
a
may be extended under subsection (2) only if conditions A, C and D are met; and
b
may be so extended on only one occasion.
4
This section is subject, in particular, to sections 13 (revocation and revival of TPIM notices) and 14 (replacement of TPIM notice that is quashed etc).