Add new section: 9.2.2 405 Method Not Allowed Response Code If the resource specified by the request URL does not support the request method, the service SHOULD respond with 405 Method Not Allowed and an empty response body. The response MUST include an Allow header containing a list of valid methods for the requested resource. Accepted: https://www.oasis-open.org/apps/org/workgroup/odata/download.php/47304/latest/odata_meeting-13_on-20121025-minutes.html