Dictionary of Procurement Terms

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  • Ad Valorem

    According to value. Customs duty (rate) that is generally charged on the value of goods irrespective of weight or other material considerations. Generally expressed as a percentage of the value of the goods as indicated on an invoice or bill of materials. (ISM Glossary 2000)
  • Ad Valorem Duty

    A customs duty or tax based on the value of the goods rather than on the quantity of the goods.
  • ADA

  • Addendum (sing.)/Addenda (pl.)

    A written change, addition, alteration, correction, or revision to a solicitation or contract document. The name commonly given to the document used to revise a solicitation.
  • Adhesion Contract

    A type of contract between two parties in which one side has all the bargaining power and uses it to write the contract primarily to their advantage.
  • Adjectival Rating

    A notational scoring system in which adjectives are used to describe the quality of a response to a Request for Proposals (RFP) or a response to a Request for Qualifications (RFQu). Responses may be rated using such terms as Excellent, Good, Fair, and Poor. (Nash et al. 2007)
  • Administered Price

    A price determined by the deliberate price policy of a supplier rather than by the competitive forces of the marketplace. See also: List Price.
  • Administrative Change

    A unilateral change to a contract in writing that does not affect the substantive rights of the parties, such as a change in the address to which an invoice is mailed.
  • Administrative Law

    Rules, regulations, and executive orders promulgated by governmental administrative or regulatory entities. Generally enacted to make statutes and ordinances more specific. Has the force and effect of law.
  • Administrative Remedies (exhaustion of)

    The completion of the process of direct appeal to a governmental entity as defined by the entity’s administrative regulations.



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