How To Write A Letter Of Knowing Someone For Immigration . If you know the name of the recipient, then write the. They can only be written by people who know the applicant, such as friends, relatives, parents, employees, or religious officers. Sample Letter For Promotion And Salary Increase from classlesdemocracy.blogspot.com I, (your name) is a resident of (your location) and work as a (your designation) in (name of the company). Spousal sponsorship applications are thoroughly assessed by immigration officers to determine the genuineness of the applicants’ relationship. Dear sir/madam, i am writing this letter in support of the immigration application of alex hale.