How do I update our company address?

Address changes must be submitted in writing by mail to  Glaziers, Architectural Metal & Glass Workers Resilient Floor & Decorative Workers Local 1399 Health & Welfare Trust 1055 Park View Drive, Suite 111, Covina, CA 91724; or electronically to glaz1399ermaint@pswadmin.com, Subject:  1399 Glaziers Employer Change of Address.