(a) General rule.--No sheriff, deputy sheriff, detective or other county police officer whatsoever shall perform, directly or indirectly, any official services or official duties for any person, association or corporation, or receive, directly or indirectly, any compensation, gifts or gratuities from any person, association or corporation during the period of official services. Nothing herein contained shall prohibit such officers from serving writs and other legal process as authorized by law. Any compensation payable to any such officer for official duties and services shall be paid only out of the proper county, or other public funds, to the amount and in the manner prescribed by law. Gifts, donations and gratuities of any nature whatsoever made by any person, association or corporation to the county or to any official or agent thereof, shall not constitute public funds within the meaning of this section.

(b) Firearms and military supplies.--No county, or any official or agent thereof, shall accept as a gratuity, gift or donation any arms, ammunition, military supplies, tear gas or equipment, or supplies or articles of a similar character from, nor shall any such gratuity, gift or donation be made by any person, association or corporation.

(c) Contract or agreement void.--Any contract or agreement, whatsoever, made in violation of the provisions of this section, shall be utterly void and of no effect, in law or in equity, and is hereby declared to be contrary to public policy.

(d) Outside employment.--Notwithstanding any other provision of this section, unless otherwise prohibited by resolution or ordinance of the county, an individual who is employed as a sheriff, deputy sheriff, detective or other county police officer may engage in outside employment, including employment in security, during a period in which the individual is not scheduled to perform nor performing duty as a county employee. The county is not liable for any damage resulting from an act of an individual acting under this subsection.