NOC Format: What do you write in a NOC letter? How can I get NOC certificate?How to draft a NOC for your tourist visa application Basics with a sample format. Ultimate guide on no objection letter or certificate from employer. Cook Islands Immigration Exemption Form. Use this form if you are applying for an exemption to travel to and enter the Cook Islands. Anyone who is looking to pursue their higher education abroad can apply for NOC if they have a valid offer letter from a university or college. Samples. Here is how a No-Objection Letter for visa applications should look like once it is all filled out: Sample from Employer. A no objection letter is a document that states that a person is permitted to travel to the United States.