The letter reads:
"Dear Mr. Karis,
I sincerely congratulate you on your election as the President of the Republic of Estonia.
I believe that we will make joint efforts, in line with the interests of our peoples, towards the development of friendly and cooperative relations between Azerbaijan and Estonia.
I wish you strong health, happiness and success in your future endeavors for the sake of prosperity of the friendly people of Estonia.
President of the Republic of Azerbaijan
Baku, 9 September 2021"