The Director of Finance shall be the head of the Finance Department and the fiscal officer of the City. He/she shall be appointed by the Mayor, subject to confirmation by a majority vote of the members elected to Council. He/she may be removed from office by the Mayor; provided, however, that such removal shall not take place without the concurrence of two-thirds (2/3) of the members elected to Council. He/she shall serve the Mayor and the Council as financial advisor of municipal affairs. He/she shall examine all payrolls, bills and other claims against the City, and shall issue no warrant unless he/she shall find that the claim is in proper form, correctly computed and duly approved, pursuant to Article VIII of this Charter, that it is due and payable and that an appropriation has been made therefor. He/she shall perform such other duties, consistent with his/her office, as may be required by this Charter, by ordinance of the Council, or as directed by the Mayor.