During this Part, the Archive validates the SIP and its included record components received from the Producer. The Archive checks that the SIP and its components are well-formed and whether they contain viruses. It also validates that the Producer was authorized to transfer the SIP and that the SIP conforms to the requirements of the Submission Agreement. If the SIP fails any of these validations, the Archive rejects the SIP and notifies the Producer to generate another SIP. An Archive can carry out all of the steps in this Part in an automated manner. While an Archive does not have to automate these Steps, automation greatly enhances productivity. In practice, an Archive may implement Steps B2.2 through B2.6 in a difference sequence.