New York‰Ûªs constitutional convention referendum must be placed on the November 7, 2017 ballot as specified in New York‰Ûªs Constitution. November 7, 2017 New Yorkers vote to convene a convention. November 6, 2018 New Yorkers elect delegates to the convention. April 2, 2019 Convention convenes and proposes amendment(s) for popular ratification. November 2019 New Yorkers vote on every amendment proposed by the convention. If change ratified it goes into effect the following January. If rejected the amendment is not adopted. IF ON NOVEMBER 7, 2017 VOTERS VOTE NO TO CONVENING A CONVENTION NO CONVENTION IS HELD.