conferred or duties imposed upon him by this Act (except the power of delegation conferred by this subsection) to any authorised officer, subject to such conditions or limitations as set out in this Act or as the Commissioner may specify by directions; and any reference in this Act to the Commissioner shall include a reference to such an authorised officer. (4) In exercising any powers or functions under a delegation under subsection (3), an authorised officer must comply with any direction of the Commissioner. PART II ASSEMBLIES AND PROCESSIONS Regulation of public assemblies and public processions 5.—(1) Subject to the provisions of this Act, a public assembly and a public procession shall not take place unless — (a) the Commissioner is notified under section 6 of the intention to hold the public assembly or public procession, and a permit is granted under section 7 in respect of that public assembly or public procession, as the case may be; and (b) the holding of that public assembly or public procession is not prohibited under section 12 or 13. (2) This section shall not apply to — (a) an assembly or a procession exempted from this section under section 46; and (b) an assembly or a procession within any part of an unrestricted area not falling within a special event area of an enhanced security special event. [Act 23 of 2017 wef 01/10/2017] Advance notice of public assembly or public procession 6.—(1) Notice of intention to organise a public assembly or public procession shall be given in accordance with subsections (2) and (3) to the Commissioner in the prescribed manner accompanied by an application for a permit in respect of that assembly or procession, as the case may be. (2) Notice under this section shall be given not less than the prescribed period before the date on which the assembly or procession, as the case may be, is to be held. (3) Notice under this section shall — Singapore Statutes Online Current version as at 01 Oct 2018 PDF created date on: 01 Oct 2018