At the top of the application letter, write your name, last name, and contact information. I am writing to apply for the General Office Clerk position at your company.The document provides tips for writing an effective job application letter in Nigeria. Writing a professional clerical cover letter? Use our free cover letter sample and templates to get you started on your job search. Our Clerk Cover Letter Guide will provide you with all the resources and tips you need to create a successful cover letter that will help you land the job. I decided to post a sample of job application letter to guide our job seekers in the future. Learn how to write a professional application letter in Nigeria with this sample and email template. Your introductory paragraph can include why you're writing the letter, which is to apply for the job. Mention the specific title of the job.