How To Remind Someone To Write A Reference Letter . The best time to follow up on letters of recommendation is one week to 10 days before the deadline. This makes it hard for us to write a letter without starting over multiple times just to compose the perfect one. Remind Professor for Letter Beautiful Professional Thank from www.pinterest.com Here are the steps to follow when asking someone in an email to write you a letter of recommendation: I would be very grateful if you could forward this to me before the end of the month as i [ insert reason. Here’s our reference letter template: