Whether or not the person must be licensed under Part II of this subtitle, a person may not erect or maintain any outdoor sign outside the limits of any municipal corporation and within 500 feet of a State highway, unless the person has a permit issued by the Administration for that sign. A permit is not required under this section to erect or maintain any outdoor sign: That is used only to advertise the sale or lease of the property on which it is located; That is on or within 100 feet of any building or the entrance to any building in which the business advertised is carried on; That is used only to advertise: A Maryland historic shrine or institution; or A county or church fair held in this State; That advertises a candidate or the support or defeat of any proposition. This sign: Shall comply with all provisions of the Election Law Article; Shall comply with public safety requirements as set forth in § 8–716 of this subtitle; Shall conform to all local restrictions and zoning requirements which are more restrictive than this section; and Shall conform to the restrictions and requirements of Parts IV and V of this subtitle; or That is only a temporary outdoor sign that advertises the sale in season of fresh produce on property that adjoins a State highway by a person who has grown the fresh produce and who owns, rents, or has permission to sell on the property. This sign: Shall comply with public safety requirements as set forth in § 8–716 of this subtitle; Shall conform to all local restrictions and zoning requirements that are more restrictive than this section, including any applicable time limitation; Shall conform to the restrictions and requirements of Parts IV and V of this subtitle; and Shall be removed or covered when produce is no longer for sale.