See the Glossary for more terms.
Some links will work for NIAID staff only.
This SOP has internal roles only.
This standard operating procedure (SOP) includes the following sections: Purpose, Procedure, Contacts, and Links.
To modify in writing a contract's terms or conditions, such as its statement of work, period of performance, quantity, or price.
Either the government or a contractor may propose to modify a contract. If a contractor requests a modification, its business office must submit a signed request to the contracting officer explaining the modification and its anticipated effect on the contract. Only contracting officers acting within their delegated authority may modify a contract or change a contractual commitment on behalf of the government.
There are two types of contract modifications: unilateral and bilateral.
Examples of contract modifications include:
Note: Contracting Officer's Representatives are not authorized to issue or approve modifications, enter into agreements, or take any other action that changes a contract's cost or terms and conditions. Such "unauthorized commitments" are not binding for the government.
See the Office of Acquisitions staff listing for the appropriate contract specialist.
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Acquisition Policy Memorandum
Contracting Officer SOP
Contracting Officer's Representative SOP
Distribution of Contract Awards, Modifications, and Task Orders SOP
Justification for Other than Full and Open Competition
FAR Subpart 1.602-3, Ratification of Unauthorized Commitments
FAR Subpart 4.2, Contract Distribution
FAR Part 43, Contract Modifications
FAR Subpart 52.243-7, Notification of Changes
HHSAR 301.602-3 Ratification of Unauthorized Commitments
HHSAR Subpart 306.3--Other than Full and Open Competition
HHSAR 342.7102 Contract modifications
Interim HHSAR changes related to the HHS JOFOC and LSJ templates
Last Updated June 23, 2015
Last Reviewed February 04, 2015