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Guide

Consent to subcontract,
and when you actually need it

Whether you need the contracting officer's consent before placing a subcontract depends largely on one thing: whether your purchasing system has been approved. That single fact changes the pace of your buying.

Approval status drives the answerRequirements can also be contract specific
QUICK ANSWER
Approved?
Approval status drives the answer
Approved system: consent narrows sharply
Your contract can still name subcontracts
Consent must come before the award
DIRECT ANSWERChecked August 2026

Consent to subcontract is the contracting officer's approval before you place particular subcontracts. Where your purchasing system has been approved following a review, consent is generally required only for subcontracts specifically identified in your contract. Where it has not been approved or approval has been withdrawn, advance notification and consent requirements are considerably broader.

What decides whether you need consent

Two things, checked in order

Contractors often check only the first and are caught by the second, or assume approval settles everything.

Guides • Walkthrough

Two things, checked in order

Whether consent is needed turns on two checks, made in order: what the prime contract says, then the status of your purchasing system.

  • First, read the consent clause in the prime contract
  • Then, check whether your purchasing system is approved
  • An approved system narrows consent to the cases named
TWO CHECKSIN ORDER
CHECK 1 · PRIME CONTRACT
Consent clause present
YES
CHECK 2 · PURCHASING SYSTEM
Approval status
APPROVED
IF APPROVED
Consent only where named
Subcontracts the contract lists specifically
IF NOT APPROVED
Consent more broadly
Cost-type and higher-value subcontracts
CheckWhat it means
Is your purchasing system approved?Following a purchasing system review, the administrative contracting officer grants, withholds or withdraws approval. An approved system substantially narrows the subcontracts requiring consent
Does your contract identify specific subcontracts?Individual subcontracts can be named in your contract as requiring consent, and that applies regardless of your system approval status. Reading your own contract is not optional
Is the subcontract type or value in scope?Consent requirements can turn on the type of subcontract and its value, so the answer is determined per award rather than once for the programme
Is the sequence right?Consent obtained after a subcontract has been placed does not retrospectively fix the position, and the dates in the file make the sequence visible
Approved and unapproved, side by side

The practical difference in a purchasing week

The penalty for an unapproved system is rarely financial. It is the pace at which you can commit to subcontractors.

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ProcureAudit Without approval
The challenge

Without approval

Advance notification and consent are required before the subcontract is placed, which introduces a wait into every award of the relevant type.

NotificationRequired
WaitPer subcontract
PaceSlower
ProcureAudit With approval
With ProcureAudit

With approval

Subcontracts proceed unless specifically identified in your contract as requiring consent, so the routine path stays fast.

NotificationNarrower
WaitUsually none
PaceNormal
ProcureAudit Compounding delay
The challenge

Compounding delay

Each subcontract carries a wait, and on a programme placing many awards the cumulative effect on schedule is substantial.

Per awardDelay
CumulativeSubstantial
Visible toYour customer
ProcureAudit Schedule held
With ProcureAudit

Schedule held

Awards move at the pace of the work rather than the pace of an approval queue, which is usually the strongest argument for getting the system approved.

Per awardNone
CumulativeNone
Visible toNobody
ProcureAudit Ongoing
The challenge

Ongoing

Somebody has to prepare notifications, track responses and chase consent, which is continuous work with no end date.

WorkContinuous
OwnerNeeded
EndsWhen approved
ProcureAudit Occasional
With ProcureAudit

Occasional

Consent applies only to specifically identified subcontracts, so the administrative work is exceptional rather than routine.

WorkOccasional
OwnerStill needed
ScopeNarrow
ProcureAudit Same requirement either way
The challenge

Same requirement either way

Whether consent was needed or not, the file should show the position that applied and, where consent was obtained, that it came before the award.

RecordedRequired
SequenceChecked
AssumedNever
ProcureAudit Held on the award
With ProcureAudit

Held on the award

Notification and consent attach to the subcontract record with their dates, so the sequence is provable rather than asserted.

RecordedOn the award
SequenceProvable
RetrievalImmediate
FAQ

Common questions about consent to subcontract

What is consent to subcontract?
The contracting officer's approval before you place particular subcontracts. It is a control on subcontracting rather than a penalty, and how widely it applies depends largely on whether your purchasing system has been approved.
Does an approved purchasing system remove the requirement?
It substantially narrows it. With an approved system, consent is generally required only for subcontracts specifically identified in your contract. Without approval, advance notification and consent requirements are much broader.
Can consent be required even with an approved system?
Yes. Individual subcontracts can be named in your contract as requiring consent regardless of system approval, which is why reading your own contract matters more than relying on general practice.
What happens if we place a subcontract without required consent?
The position is not fixed by obtaining consent afterwards. Sequence is what gets tested, and the dates in the file make it visible, so this shows up clearly in a sample.
What is the real cost of an unapproved system?
Time rather than money. Every affected subcontract carries a notification and a wait, and on a programme placing many awards the cumulative schedule impact is significant.
Where should consent evidence live?
On the subcontract record, with dates. Consent sitting in an inbox has the same weakness as flow-downs sent by separate email: retrieval depends on somebody finding a thread.
Does this apply to civilian agency contracts too?
Purchasing system approval and consent arrangements exist across government contracting, though the specific procedures and thresholds differ. Confirm the position from your own contract and the administering agency.
Related reading

Other explainers and the pages they connect to

ProcureAudit What is a CPSR
RESOURCE

What is a CPSR

What a purchasing system review examines and what approval changes.

Learn more
ProcureAudit FAR Part 44
RESOURCE

FAR Part 44

The subpart governing subcontracting policies and purchasing system reviews.

Learn more
ProcureAudit Flow-down clauses
RESOURCE

Flow-down clauses

Passing terms to subcontractors and proving what they accepted.

Learn more

Check your consent position

Bring a recent subcontract and your contract terms. We will walk through what the file should hold and in what order.

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