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To access the page linked to in the e-mail, you will need to log in using your MTL MUMMS username and password. If you don't have a username and password, you can contact mumms-problems@mtl.mit.edu for assistance. Once you log in you will see the following page.
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The charge categories represent the types of charges. For example, charges for use of Fab processing equipment would belong to the Fab_Processing charge category. The selected by default cost object number is the one that the user selected during registration. To approving charges, you can leave the defaults or you can select another cost object that is owned by the same supervisor and then choose "Approve." If you do not wish to approve charges, you can can choose "Deny." When you deny charges, the user will be notified by e-mail that charges were not approved. If you need further explaination, you can click on the "?" icon before proceeding.
Once you have approved charges you will be able to make additional changes. For example, you could choose to set up additional cost objects for specific charge categories, or modify the end date for an allocation. By default, the end date is set to the expiration date of the cost object.