This chapter explains how a person receives a class 12 or 13 permit, and how a person may become certified to provide alcohol server training. Discover the key differences between Washington's Class 12 and Class 13 MAST permits.Prior written notice is a document outlining important school district decisions about your student's special education program. Our Mandatory Alcohol Server Training courses allow Washington alcohol servers to obtain a Class 12 or 13 permit. Parents and eligible students who wish to file a complaint under FERPA may do so on the File a Complaint page. This guide provides an overview of Federal civil rights laws that ensure equal opportunity for people with disabilities.