The HR Manager,
___________ (Company’s name),
___________ (Company’s address)
Date: __/__/_____ (Date)
Subject: Acceptance of promotion
Respected sir/ madam,
My name is __________ (name) and I have been working in __________ (department) of your reputed company. I write this letter to state that I have received a promotion offer letter from your end and I am glad to accept it. As per the requirements, I shall be joining my new post from __/__/____ (date) onwards.
I am highly thankful to you for providing me with such an opportunity and showing your faith in me.
____________ (contact number)