To: All Employers of My Musical Services. I hereby authorize and direct you to deduct from my pay and to remit to Local 72-147 of American Federation of Musicians of the United States and Canada (hereinafter called "Federation"), to all other Local Unions of the Federation, and to the Federation, from any wages earned by me as your employee (in my present or in any future employment by you) those membership work dues, or the work dues equivalent, of a percentage of my earning which I am required to pay, and at the times I am required to pay, pursuant to the Constitution and/or Bylaws of said Local Union and/or the Federation. This authorization, direction and assignment shall be irrevocable for the period of one (1) from the date hereof, or until the termination of any applicable collective bargaining agreement which is in effect between you and said Local Unions and/or the Federation, whichever occurs sooner, and shall automatically renew itself and be irrevocable for successive annual periods or for the period of each such succeeding applicable collective bargaining agreement, whichever shall be shorter, unless written notice is given by me to Local Union NO. 72-147 or to the Federation at least thirty (30) days prior to the expiration of any one (1) year period or at least thirty (30) days prior to the expiration of any applicable collective bargaining agreement, whichever occurs sooner.