Asking users for proof of task completion (attestation)

1. How do you write an email for completion of a project?
2. What is a letter of completion?

How do you write an email for completion of a project?

Dear [Insert name], We are pleased to inform you that we have been able to complete the construction work before the final completion date of [Insert final completion date]. We signed the contract of construction works that began on [Insert beginning date] and ended on [Insert end date].

What is a letter of completion?

A course completion letter is an official University letter which states that a student has completed the necessary requirements of their program. This letter is only available to students who require proof of completion of their studies prior to their scheduled graduation.