An "application checklist" is a list of things you need to complete or gather when applying for something, like a job, school, or loan. It helps you make sure you have everything you need and don't forget anything important. Full definition
Loan application checklist — Things to bear in mind when applying for a loan, such as how much to borrow and understanding your credit score. (sainsburysbank.co.uk)
A mortgage application checklist is available on their site to ensure you have everything you need before starting the loan application process. (complexsearch.com)
Use this job application checklist to see what could be going wrong. (flexjobs.com)