This document provides guidelines and requirements for posting volunteer opportunities on the LinkedIn Volunteer Marketplace. It outlines a 5-step process for creating a posting including logging in with a recruiter account, filling out an online form using the provided infographic as a guide, and being able to renew the posting after 30 days for free. Key requirements are that the posting must be for a volunteer not paid role, have "Volunteer" in the title, clearly define skills needed, include a description with "LinkedIn for Good Volunteering", and use the provided discount code.