Assured shorthold tenancy (AST) templates This section contains links to the following templates, which are used to set up an assured shorthold tenancy (AST): AST agreement: Deposit Protection Service AST agreement: mydeposits AST agreement: The Dispute Service Use the following document where tenants on an AST are changing, and the landlord wants the tenancy to continue on its existing terms rather than grant a new tenancy: Deed of assignment Use the following templates to create a deed of guarantee where a guarantor is required for an AST: Deed of guarantee The rest of this section provides guidance on completing these templates.