The state of Missouri is updating laws for sex offenders and sexual predators when it comes time for children to trick-or-treat.

Sex offenders are required to place a sign outside their door that reads "No candy or treats at this residence".

Offenders are also required to stay inside from 5 p.m. until 10 p.m. with all of their outside lights off.

Sgt. Mike Watson from the Missouri State Highway Patrol explains why this new piece of legislation gives parents and kids a better piece of mind when they're out and about:

"Just like any other activity at night, you want to keep your children safe," Sgt. Watson says.  "Now, obviously that means you want to keep your children close by knowing where they're going and paying attention.  I think part of the information - getting this out lets them know that if there's a sign in the yard what that does mean."

Sex offenders are required to check in with sheriff department's every six months on the status of their living conditions.