(b) Form and Content

A bill of costs, prepared on forms available from the clerk's office or on a filing substantially similar, shall comply with the provisions of 28 U.S.C. § 1924 and shall set forth distinctively each item of cost so that the nature of the charge can be readily understood.

The bill of costs shall be supported by a memorandum of law and shall be verified by oath stating that the items are correct, that the costs claimed are allowable by law, that the services have been actually and necessarily performed, and that the disbursements have been necessarily incurred in the action or proceeding.  An itemization of all costs shall be attached to the bill of costs.