(a) The singular shall include the plural.

(b) The masculine shall include the feminine and neuter.

(c) The prohibition of any act shall extend to and include an attempt to commit such act and the causing and/or the procuring directly or indirectly, of such act.

(d) No provision contained in this Chapter shall cause to be deemed unlawful any act performed by an officer or employee of the office or the State Police in the line of duty or in the scope of employment, or any act performed by a person, his agents, or employees in the proper performance or execution of the terms of an agreement with the office.