Wyoming MCP 5. Summons and Return is a document used by a court to summon a person to either appear in court or to have a specific document returned. It is distinct from other court documents as it is written by a court specifically for the purpose of summoning or returning documents. It is typically used when a witness or defendant fails to appear in court or when a party fails to return a document. There are two types of Wyoming MCP 5. Summons and Return: the Summons and the Return. The Summons is a court document that orders a person to appear in court at a specified time and place. The Return is a court document that orders a person to return a specific document to the court.