A. Animal use studies can be only performed at PHS assured institutions/providers with an IACUC protocol covering the studies requested by the UMass Chan investigator. The external collaborators can submit a congruency verification or information to UMass Chan. Information may include a copy of approval protocol, a copy of approval letter and their PHS Assurance number, and UMass Chan investigators can include information about off-site animal studies in their IACUC protocols.