The Division shall provide the Association with a seniority list and shall post the seniority list in each school in the Division prior to February 1st of each year. Teachers shall have until February 28th to protest, in writing, any alleged omission or incorrect listing to the Division. The seniority list as provided or amended must be certified prior to March 7th by both parties in writing to be correct. Any protest shall be limited to changes that have occurred since the last certified listing.