Further , a customs officer can detain goods ( s. 31 ) .
Enforcement authorities have the power to make test purchases ( s. 28 ) and have powers of entry and search ( ss. 29 - 30 ) .
A customs officer can detain goods ( s. 31 ) .
Enforcement authorities have the power to make test purchases ( s. 28 ) and have powers of entry and search ( ss. 29 - 30 ) .