SECTION 9-11.  AMENDMENT; PROPOSAL.
   This charter may be amended at any time by initiative petition as provided by the Constitution and laws of the State of Oklahoma, at an election at which the proposed amendment is submitted to a vote of the qualified electors of the City, by majority vote of such electors voting at such election on such proposed amendment, provided such proposed amendment is filed with the City Clerk for submission not less than forty-five (45) days before the election at which it is to be voted upon.
   The Council may propose and submit any amendments to this charter to a vote of the qualified electors of the City provided such amendments are filed with the City Clerk for submission not less than forty-five (45) days before the election at which they are to be voted upon.  Amendments, whether by initiative petition or by Council referral, may be submitted at a general or special election as the Council may prescribe for such election; the election provisions of this Charter shall govern.