Section 23-212 - Contributions by members(a) Except as otherwise provided in this section, a member's contribution rate is 5% of the part of the member's earnable compensation that exceeds the taxable wage base for each year.(b) The contribution rate of a member who is subject to the contributory pension benefit under Part II of this subtitle is 2% of the member's earnable compensation.(c) The contribution rate of a member who is subject to the Alternate Contributory Pension Selection under Part III of this subtitle is:(1) 3% of the member's earnable compensation received from July 1, 2006 to June 30, 2007, both inclusive;(2) 4% of the member's earnable compensation received from July 1, 2007 to June 30, 2008, both inclusive;(3) 5% of the member's earnable compensation received from July 1, 2008 to June 30, 2011, both inclusive; and(4) 7% of the member's earnable compensation received on or after July 1, 2011.(d) The contribution rate of a member who is subject to the reformed contributory pension benefit under Part IV of this subtitle is 7% of the member's earnable compensation.