Sample business letter format on letterhead. The applicant should have a passport valid for at least 3 months beyond the intended period of stay with atleast 2 blank pages. The salutation to whom it may concern is used in formal business letters when the recipient is unknown. This is the most popular business letter layout nowadays. If you are an employer and want to give reference letter for the immigration process of your employee you can utilize the sample reference letterthe sample or exact format includes lots of useful information regarding employer and employee.
Here is a template and letter samples that will be helpful to you. A waiver declaration form completely filled and signed by the applicant.