How To Write A 1 Weeks Notice Letter . I would like you to accept this letter as my formal resignation from my position of job title. Provide a brief reason of resignation (optional) One Week Notice Letter Of Resignation Collection Letter Template from simpleartifact.com Under the terms of my contract, my notice period is [x weeks/months], so my last day of work will be [date]. You can use this sample letter for your need. Dear bob, please accept this letter as my resignation from xyc company.