A. A building involved in an offense under Section 10.68.030 was abandoned; or

B. The premises were at the time open to members of the public and the actor complied with all lawful conditions imposed on access to or remaining in the premises; or

C. The actor reasonably believed that the owner of the premises, or other person empowered to license access thereto, would have licensed him to enter or remain. (Ord. 1145-85 § 48, 1985.)