145.This section places a duty on any member of staff of SOCA designated with the powers of a constable, customs officer and/or an immigration officer under section 43 to produce evidence of his designation when asked to do so by someone in relation to whom he intends to exercise these powers (subsection (1)). A failure to produce evidence of designation does not invalidate the exercise of any powers (subsection (2)). Subsection (3) ensures that SOCA is liable for any unlawful conduct of any member of SOCA's staff arising from the misuse of the powers conferred by a designation.