A letter of attestation is a letter that is written or signed to confirm a statement, action or behavior. The writer is certifying (attesting)... attestationeducationjoblegalwitness
A letter of attendance has two main functions, either to request one by allowed to attend a specific event or institution, or to confirm that... attendanceeducationeventjob
A letter of assurance is a letter that assures the receiver of something specific, though what that might be can vary greatly. Here are some... assuranceeducationgovernmentguarantee
There are two distinct types of approval letter that can be written. The first simply involves the granting of approval for something - here are... absenceapprovaleducationjobtenant