Glossary of Defense Contracting Terms (E)

This Glossary provides you with the most frequently used terms in government and military base contracting. Familiarity with the language of government contracting is essential for doing business with the Department of Defense (DoD) and working with contracting offices at military bases and DoD agencies.  You may also find it helpful to use our master list of Acronyms frequently used in DoD contracting


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View ACRONYMS used in Defense Contracting


E-BUY    An online Request for Quotation (RFQ) tool for commercial supplies and services offered by General Service Administration (GSA) Schedule contractors who are on GSA Advantage.

E-COMMERCE     A paperless process including electronic mail, electronic bulletin boards, electroniC funds transfer, electronic data interchange, and similar techniques for accomplishing business transactions. The use of terms commonly associated with paper transactions (e.g., copy, document, page, printed, sealed envelope, and stamped) must not be interpreted to restrict the use of electronic commerce. Contracting Officers may supplement electronic transactions by using other media to meet the requirement of any contract action governed by FAR.

EFFECTIVE DATE   For a solicitation amendment, change order, or administrative change, the effective date must be the issue date of the amendment, change order, or administrative change.

ENERGY SERVICES SCHEDULE CONTRACT     General Services Administration (GSA) Schedule Contract enabling federal consumers to purchase energy management, optimization, and support services.

ENVIRONMENTAL SERVICES SCHEDULE CONTRACT    General Services Administration (GSA) Schedule Contract enabling federal consumers to purchase services related to environmental compliancy and protection.

ESCALATION CLAUSE   Permits the adjustment of contract prices by an amount or percent if certain, specified, contingencies occur, such as changes in the vendor's raw material or labor costs.

EXECUTION     The final consummation of a contract action including all formalities (e.g., signature and any necessary approvals) needed to complete the action.

EXECUTIVE AGREEMENT    A government-to-government agreement, including agreements with international organizations, to which the United States is a party.


Pentagon Spokesman Department of Defense (DoD)

Guidance for Doing Business with Military Bases