"Submission requirements" refers to the specific documents, forms, or materials that need to be provided or completed in order to submit something, such as an application, project, or assignment. Full definition
Details on submission requirements are included on the registration website. (flmiechv.com)
However, some book agents have unique submission requirements. (query-letter.com)
You'll often find conflicting information about submission requirements, preferred query method (s), and whether the literary agency is currently open to submissions. (literary-agents.com)