Section 21, The Police Act, 1964

If any person, being appointed a special constable and being called upon to serve, refuses or neglects to serve or obey such lawful orders and directions as may be given to him for the performance of his duties, he shall, for every such refusal or neglect, be liable, upon summary conviction to imprisonment not exceeding three months or to a fine not exceeding twenty pounds, unless he satisfies the Magistrate that he was prevented by sickness or other unavoidable cause as may be in the opinion of the Magistrate a sufficient excuse from so serving or from performing the duties required of him. [Margin: Power to terminate services. Sixth Schedule.]