See section https://su-jsm.atlassian.net/wiki/x/Y5dICQ found under the “Interdepartmental Order (ID)” section which outlines information for expenses with other SU Departments. As of 1/1/25, Catering no longer accepts IDs as a form of payment.
The College of Law internal form to obtain budget approval can be found in the same section, COL Campus Catering Event Approval Request Form .