(a) Offense. - A person commits the offense of second degree trespass if, without authorization, the person enters or remains on any of the following:
(1) On premises of another after the person has been notified not to enter or remain there by the owner, by a person in charge of the premises, by a lawful occupant, or by another authorized person.
(2) On premises that are posted, in a manner reasonably likely to come to the attention of intruders, with notice not to enter the premises.
(3) On the curtilage of a dwelling of another between the hours of midnight and 6:00 A.M.
(b) Penalties. - A violation of subdivision (a)(1) or (a)(2) of this section is a Class 3 misdemeanor. A violation of subdivision (a)(3) of this section is a Class 2 misdemeanor.