Notwithstanding any other provision of this chapter, any proposition embodied in a petition signed by not less than ten per cent of the members of a cooperative, together with any document submitted with such petition to give effect to the proposition, shall be submitted to the members of a cooperative, either at a special meeting of the members held within forty-five days after the presentation of such petition or, if the date of the next annual meeting of members falls within ninety days after such presentation or if the petition so requests, at such annual meeting. The approval of the board of trustees shall not be required in respect of any proposition or document submitted to the members pursuant to this section and approved by them, but such proposition or document shall be subject to all other applicable provisions of this chapter. Any affidavit or affidavits required to be filed with any such document pursuant to applicable provisions of this chapter shall, in such case, be modified to show compliance with the provisions of this section.