The application is written in a formal format, and the tone of the letter is modest and respectful. No objection letters are essential when working on a visa application here's everything you need to know about how to write them.To sign up for a course; To apply for a visa; For GST registration; To move forward with a construction plan. NOC Request Letter Format Samples. A simple NOC contains the following elements: Date of writing the letter. Address of the Visa Application Center. This is a sample employment letter and NOC, this form can be used to generate pdf file for any country, you may need this when you apply for a visa. – Filled out and signed application form. The No Objection Certificate from Employer is one of the most important documents when applying for a B-1 visa. Dear Sir or Ma'am: I am a citizen of. (Country).