Cost of proving
6.100.—(1) Subject as follows, every creditor bears the cost of proving his own debt, including such as may be incurred in providing documents or evidence under Rule 6.98(3).
(2) Costs incurred by the trustee in estimating the value of a bankruptcy debt under section 322(3) (debts not bearing a certain value) fall on the estate, as an expense of the bankruptcy.
(3) Paragraphs (1) and (2) apply unless the court otherwise orders.