The instructions and procedures contained in section I, part 5, DAR, are applicable to the sale of Government-owned real property and will be followed. Where applicable the statement set forth in DAR 1-506 will be included in Invitation for Bids and Contracts of Sale and an identical signed statement will be secured from the prospective purchaser where the property is to be sold without advertising for competitive bids. In addition to the statement, Standard Form 119 (Contractor's Statement of Contingent or Other Fees for Soliciting or Securing, or Resulting From Award of Contract) will be completed where either part of the statement is answered in the affirmative. The exceptions to the use of the statement and Standard Form 119 are set forth in DAR 1-506-3 and may apply generally to real property sales of the Army, Air Force and non-defense agencies except that the monetary limitation prescribed by DAR 1-506.3 is $1,000 insofar as sales or property of the Department of Energy are concerned.