Section 1507 - Alteration by consent1. With the written consent of the trustees of all the districts to be affected thereby, the district superintendent may make an order altering the boundaries of any school district within his jurisdiction, and fix in such order a day when the alteration shall take effect.2. With the written consent of the board of education of a union free school district having a population of forty-five hundred or more, and employing a superintendent of schools, and the written consent of the board of education or trustees of a district in a supervisory district adjoining such union free school district, the district superintendent having jurisdiction may make an order altering the boundaries of such districts, and fix in such order a day when the alteration shall take effect.