Businesses are invited to sign up with the Downtown Bellingham Partnership to participate in the annual Downtown Trick-or-Treat on Tuesday, Oct. 31 from 3-5 p.m.

Hundreds of families come downtown for an alternative to neighborhood trick-or-treating. Participation is free, but participating businesses must provide their own candy. Register by Oct. 23 at 4 p.m. to participate. To register, visit http://downtownbellingham.com/halloweenregistration.