The lobby has sponsored the tour of the film Nefarious: Merchant of Souls, which screened at Parliament in Hobart on Monday night.

ACL Tasmanian director Mark Brown said only four Liberal MHAs showed up.

The state government is considering reforms to the sex industry and has called for public comment on a discussion paper on the options.

Laila Mickelwait, of Exodus Cry, a US-based organisation fighting to end ``modern day slavery'', said the film aimed to raise awareness about sex trafficking.