The Letter of Interest Job Application is a crucial document in the U.S. job search process, serving as a proactive approach to seeking employment opportunities. Unlike a standard cover letter, which responds to a specific job posting, this document is often used to inquire about potential positions that may not be advertised. It demonstrates initiative and allows candidates to introduce themselves to organizations they're interested in, even when no positions are currently posted. The document must adhere to U.S. employment laws and professional standards while effectively presenting the applicant's qualifications and genuine interest in the organization. It's particularly useful in competitive industries or when targeting specific companies, and can often lead to creating opportunities that might not otherwise exist.

1. Header: Contact information of both the sender and recipient, including full name, title, company name, address, and date

2. Salutation: Professional greeting, preferably addressed to a specific person

3. Opening Paragraph: Introduction of yourself and clear statement of the position or type of role you're interested in, including how you learned about the company

4. Body - Qualifications: Brief overview of relevant skills, experience, and achievements that make you a strong candidate

5. Company Knowledge: Demonstration of research and knowledge about the company, explaining why you're interested in working there specifically

6. Closing Paragraph: Call to action, requesting an interview or meeting, and thanking the reader for their time

7. Professional Close: Formal closing (such as 'Sincerely' or 'Best regards') followed by your name and signature