Proof of claim requirements for operational creditors under fast track insolvency ensure documented entitlement and disclosure for resolution processing. Submission of a Proof of Claim by an operational creditor under Regulation 7 requires Form B addressed to the Interim Resolution Professional/Resolution Professional, supplying creditor identification and contact details, total claim amount including interest as at the fast track commencement date, documents substantiating the debt, particulars of how and when the debt arose, disclosures of mutual credits, set-offs, retention of title, pending disputes or proceedings, bank account details for payment, and an accompanying affidavit attesting to the indebtedness and genuineness of evidence.