How to write a good application letter

An application letter for job i understand, however, i do not understand what you mean by cheque book application letter. So here is my answer to what i think you mean. Good luck
keys to writing a good application letter also know as a cover letter. Used to accompany the resume for a posted postion one is applying for.

The application letter is essentially a sales letter in which you market your skills, abilities and knowledge.The application letter should be persuasive. A successful application letter accomplishes four tasks
(1) it catches the readers attention favorably
(2) it explains which particular job interests you and why
(3) it convinces the reader that you are qualified for the job by drawing your reader's attention to particular elements in your resume
(4) it requests and interview

Opening Paragraph
provide context and should your enthusiasm
1. Indicate how you learned of the open position
2. state your job objective and mention the specific job title
3. explain why you are interested in the open position or job available.

Central paragraphs
these are the second and third paragraphs
you need to show through examples that you are highly qualified. limit each paragraph to just one basic point that is clearly stated in your topic sentence.
for example the second paragraph may focus on work experience and the third paragraph may focus on educational background. Come across as proud of your achievements and refer to your enclosed resume.

Closing paragraph
In the final paragraph request an interview, let the reader know when you are available, include your phone numbers, email address and end with a statement of goodwill even if only thank you.
Be sure to proofread your letter very carefully for any errors. Any errors may eliminate you for consideration immediately.
I hope this is helpful good luck to you and God bless