This International Standard defines the WS-I Attachments Profile 1.0 (hereafter, ""Profile""), consisting of a set of non-proprietary Web services specifications, along with clarifications to and amplifications of those specifications that are intended to promote interoperability. This profile complements the WS-I Basic Profile 1.1 to add support conveying interoperable SOAP Messages withAttachments-based attachments with SOAP messages.SOAP Messages with Attachments (SwA) defines a MIME multipart/related structure for packaging attachments with SOAP messages. This profile complements the WS-IBasic Profile 1.1 to add support for conveying interoperable SwA-b