In the body of the letter, state your intended retirement date (your last day) and your thoughts on a transition plan. In this post, we provide written 10 different retirement letter samples to use, so you're sure to find one that feels right for your situation.Springwater's chief administrative officer is leaving the township to take on an executive role with the City of Barrie. Add contact details, company name, and date. Boudreaux briefly discussed his resignation letter. Local competition based on pay as indicated in several resignation letters.