How To Write A Letter To The Bank In Spanish . Dear sir, i want to bring to your notice that i have opened an account on _______ (mention the date) with your bank. (dear mr / ms xx and end yours sincerely). Letter request bank draft from swhistlesoft.com Likewise, when ending a letter in spanish, choose a closing that falls in line with the purpose of your letter and your familiarity with the recipient. Christmas and new year wishes: Handing in notice to employer.