With full knowledge of the above, I authorize my employer to deduct from my salary and pay to the association, in accordance with the agreed upon payroll deduction procedure, my association dues as may be determined from time to time as indicated above for the current membership year and each membership year thereafter, provided that I may revoke this authorization as of July 1 of any calendar year by giving written notice to that effect to DASA and my employer on or before June 30 of that year. Payment of Dues: *