Report by memorandum to chief, organization and management branch, when change in site is necessary. Complete Form 1021 when furnished. Retain one copy in files. If new location is one-fourth of a mile or more from existing location, furnish a statement signed by majority of customers approving change. When a change involves moving a post office from one county to another, notify the Deputy Postmaster General, of the circumstances (including a sketch showing present and proposed sites), and await approval of that Division.