What does a shelter petition require to be provided to all parties?

A shelter petition requires both a background check and a home study to be provided to all parties involved. While medical documentation and finance and alignment information may be pertinent to some situations, they are not necessary for a shelter petition. Evidence types are also not explicitly required for a shelter petition, as they may vary depending on the specific details of the case. Therefore, option A is the most accurate and comprehensive answer out of the choices provided.