The ASBCA (Armed Services Board of Contract Appeals) dismissed, for lack of jurisdiction, an appeal by a contractor because there was insufficient evidence to show that the contracting officer ever received the claim.
Source: PNWC’s Government Contracting Update: File a Claim First, Then File Your Appeal
New Regulation Formalizes Ombudsman Practice and Identity for IDIQ Contracts
An ‘ombudsman’ is an official charged with addressing and/or investigating the interests of individuals’ or companies’