CARMEL - New York's gun control law, Safe Act, takes effect today.

Safe Act gave owners of assault weapons one year to register their firearms or risk becoming a felon. It was the nation's first gun control measure adopted in the wake of the December 2012 shooting at the Sandy Hook Elementary School in Newtown, Conn.

Some sheriffs around the state have said they will not enforce the Safe Act because they contend it’s unconstitutional.

Putnam County Sheriff Don Smith doubts the law is legal, but has ordered that the law is enforced. Smith is also part of a legal challenge to the law, which is making its way through the courts.