§ 22. Certification for positions. Before any new position in the service of a civil division shall be created or any existing position in such service shall be reclassified, the proposal therefor, including a statement of the duties of the position, shall be referred to the municipal commission having jurisdiction and such commission shall furnish a certificate stating the appropriate civil service title for the proposed position or the position to be reclassified. Any such new position shall be created or any such existing position reclassified only with the title approved and certified by the commission.