Invalid. Party member, appointed by the Party branch to fill in the application form for joining the Party, must be faithful to the oral content of the development object, and shall not play or polish it at will. It is invalid to find someone to fill in the volunteer letter for joining the party, and the signature of the school party introducer is invalid. In addition to my signature and seal, party member is a ghostwriter, but also my signature and seal, and I should indicate my personal reasons for filling in.