The Alaska Notice & Affidavit of Foreign Service, SHC-20, is a form that is used to provide notice of a lawsuit to individuals or entities in another state or country. The form includes information about the court where the lawsuit is being filed, the names of the parties involved, and the legal claims being made. It also includes an affidavit signed by the plaintiff or plaintiff's attorney stating that reasonable efforts have been made to serve the defendant with the lawsuit. There are two types of this form: SHC-20A for personal service and SHC-20B for service by publication.