Procedure when arrestable offence is suspected
17.—(1)  If, from information received or otherwise, a police officer has reason to suspect that an arrestable offence has been committed at any place, the police officer must, or if he is unable to attend to the case, another police officer acting in his place must —
(a)go as soon as practicable to the place to investigate the facts and circumstances of the case; and
(b)try to find the offender and, if appropriate, arrest the offender and report the case to the Public Prosecutor.
(2)  Notwithstanding subsection (1) —
(a)if the police officer has reason to believe that the case is not of a serious nature, there shall be no need to go to the place to investigate the facts and circumstances of the case; or
(b)if the police officer has reason to believe that there are insufficient grounds for proceeding with the matter, he shall not do so.
(3)  In each of the cases mentioned in subsection (2)(a) and (b), the police officer receiving the information shall state in his report his reason for not fully complying with subsection (1).