Okla. Stat. tit. 61, § 61-121
This is the official text of Okla. Stat. tit. 61, § 61-121, part of Oklahoma’s Stat. tit. 61, — part of the compiled statutory law of Oklahoma, published by the state as "Stat. tit. 61,." Browse the sections below, each linked to its official government source.
Not legal advice. This page reproduces the official text of a government statute for reference only. Laws change, and how a statute applies depends on your specific facts. For advice about your situation, consult a licensed attorney in your state.
Change orders or addenda
Official statutory text
A. Change orders or addenda to public construction contracts of
One Million Dollars ($1,000,000.00) or less shall not exceed a
fifteen percent (15%) cumulative increase in the original contract
amount.
B. Change orders or addenda to public construction contracts of
over One Million Dollars ($1,000,000.00) shall not exceed the
greater of One Hundred Fifty Thousand Dollars ($150,000.00) or a ten
percent (10%) cumulative increase in the original contract amount.
C. Change orders or cumulative change orders which exceed the
limits of subsection A or B of this section shall require a
readvertising for bids on the incomplete portions of the contract.
D. If the awarding public agency does not have a governing
body, the chief administrative officer of the awarding public agency
shall approve change orders. The Director of the Office of
Management and Enterprise Services, or the Director's designee,
Oklahoma Statutes - Title 61. Public Buildings and Public Works Page 40
shall sign and execute all contracts and change orders, as they
relate to state agencies.
E. If the awarding public agency has a governing body, all
change orders shall be formally approved by the governing body of
the awarding public agency and the reasons for approval recorded in
the permanent records of the governing body. The governing body of
a municipality or technology center may delegate approval of change
orders up to Forty Thousand Dollars ($40,000.00) or ten percent
(10%) of any contract, whichever is less, to the chief
administrative officer of the municipality or technology center or
their designee, with any approved change orders reported to the
governing body at the next regularly scheduled meeting.
F. The Oklahoma Veterans Commission, as the governing body of
the Oklahoma Department of Veterans Affairs, is authorized to
delegate to the Director of the agency the authority to approve
change orders on a construction contract provided that the
individual change order does not exceed Forty Thousand Dollars
($40,000.00) in expenditure, and complies with the limits
established by this section. Change orders approved by the Director
pursuant to a delegation of authority shall be presented to the
Commission during the next regular meeting and the reasons for the
orders recorded in permanent records.
G. The governing body of the Oklahoma Tourism and Recreation
Department is authorized, upon approval of a majority of all of the
members of the Oklahoma Tourism and Recreation Commission, to
delegate to the Director of the agency the authority to approve
change orders on a construction contract provided that the
individual change order does not exceed Twenty-five Thousand Dollars
($25,000.00) in expenditure and complies with the limits established
by this section. The Director of the Office shall sign and execute
all contracts and change orders.
H. The Transportation Commission may, by rule, authorize the
Director of the Department of Transportation to approve change
orders in an amount of not to exceed Five Hundred Thousand Dollars
($500,000.00). Change orders approved by the Director shall be
presented to the Transportation Commission during the next regular
meeting and the reasons therefor recorded in the permanent records.
The Oklahoma Turnpike Authority may authorize the Director of the
Authority to approve change orders in an amount not to exceed Two
Hundred Fifty Thousand Dollars ($250,000.00). Change orders
approved by the Director of the Authority shall be presented to the
Authority during the next regular meeting and the reasons for the
orders recorded in permanent records.
I. All change orders for the Department of Transportation or
the Authority shall contain a unit price and total for each of the
following items:
1. All materials with cost per item;
Oklahoma Statutes - Title 61. Public Buildings and Public Works Page 41
2. Itemization of all labor with number of hours per operation
egular meeting and the reasons for the
orders recorded in permanent records.
I. All change orders for the Department of Transportation or
the Authority shall contain a unit price and total for each of the
following items:
1. All materials with cost per item;
Oklahoma Statutes - Title 61. Public Buildings and Public Works Page 41
2. Itemization of all labor with number of hours per operation
and cost per hour;
3. Itemization of all equipment with the type of equipment,
number of each type, cost per hour for each type, and number of
hours of actual operation for each type;
4. Itemization of insurance cost, bond cost, Social Security,
taxes, workers' compensation, employee fringe benefits and overhead
cost; and
5. Profit for the contractor.
J. 1. If a construction contract contains unit pricing, and
the change order pertains to the unit price, the change order will
not be subject to subsection A or B of this section.
2. When the unit price change does not exceed Twenty Thousand
Dollars ($20,000.00), the unit price change order computation may be
based on an acceptable unit price basis in lieu of cost itemization
as required in paragraphs 1, 2, 3, 4 and 5 of subsection I of this
section.
3. When the unit price change exceeds Twenty Thousand Dollars
($20,000.00), any unit price for a new item established at or below
the average eighteen-month-price history for the new item may be
used in lieu of cost itemization as required in paragraphs 1, 2, 3,
4 and 5 of subsection I of this section.
K. Alternates or add items bid with the original bid and
contained in the awarded contract as options of the awarding public
agency shall not be construed as change orders under the provisions
of the Public Competitive Bidding Act of 1974.
L. Where construction management at-risk is the project
delivery method, the limits established by subsections A and B of
this section shall be based upon the total cost of the project
rather than the cost of the individual trade contracts.
One Million Dollars ($1,000,000.00) or less shall not exceed a
fifteen percent (15%) cumulative increase in the original contract
amount.
B. Change orders or addenda to public construction contracts of
over One Million Dollars ($1,000,000.00) shall not exceed the
greater of One Hundred Fifty Thousand Dollars ($150,000.00) or a ten
percent (10%) cumulative increase in the original contract amount.
C. Change orders or cumulative change orders which exceed the
limits of subsection A or B of this section shall require a
readvertising for bids on the incomplete portions of the contract.
D. If the awarding public agency does not have a governing
body, the chief administrative officer of the awarding public agency
shall approve change orders. The Director of the Office of
Management and Enterprise Services, or the Director's designee,
Oklahoma Statutes - Title 61. Public Buildings and Public Works Page 40
shall sign and execute all contracts and change orders, as they
relate to state agencies.
E. If the awarding public agency has a governing body, all
change orders shall be formally approved by the governing body of
the awarding public agency and the reasons for approval recorded in
the permanent records of the governing body. The governing body of
a municipality or technology center may delegate approval of change
orders up to Forty Thousand Dollars ($40,000.00) or ten percent
(10%) of any contract, whichever is less, to the chief
administrative officer of the municipality or technology center or
their designee, with any approved change orders reported to the
governing body at the next regularly scheduled meeting.
F. The Oklahoma Veterans Commission, as the governing body of
the Oklahoma Department of Veterans Affairs, is authorized to
delegate to the Director of the agency the authority to approve
change orders on a construction contract provided that the
individual change order does not exceed Forty Thousand Dollars
($40,000.00) in expenditure, and complies with the limits
established by this section. Change orders approved by the Director
pursuant to a delegation of authority shall be presented to the
Commission during the next regular meeting and the reasons for the
orders recorded in permanent records.
G. The governing body of the Oklahoma Tourism and Recreation
Department is authorized, upon approval of a majority of all of the
members of the Oklahoma Tourism and Recreation Commission, to
delegate to the Director of the agency the authority to approve
change orders on a construction contract provided that the
individual change order does not exceed Twenty-five Thousand Dollars
($25,000.00) in expenditure and complies with the limits established
by this section. The Director of the Office shall sign and execute
all contracts and change orders.
H. The Transportation Commission may, by rule, authorize the
Director of the Department of Transportation to approve change
orders in an amount of not to exceed Five Hundred Thousand Dollars
($500,000.00). Change orders approved by the Director shall be
presented to the Transportation Commission during the next regular
meeting and the reasons therefor recorded in the permanent records.
The Oklahoma Turnpike Authority may authorize the Director of the
Authority to approve change orders in an amount not to exceed Two
Hundred Fifty Thousand Dollars ($250,000.00). Change orders
approved by the Director of the Authority shall be presented to the
Authority during the next regular meeting and the reasons for the
orders recorded in permanent records.
I. All change orders for the Department of Transportation or
the Authority shall contain a unit price and total for each of the
following items:
1. All materials with cost per item;
Oklahoma Statutes - Title 61. Public Buildings and Public Works Page 41
2. Itemization of all labor with number of hours per operation
egular meeting and the reasons for the
orders recorded in permanent records.
I. All change orders for the Department of Transportation or
the Authority shall contain a unit price and total for each of the
following items:
1. All materials with cost per item;
Oklahoma Statutes - Title 61. Public Buildings and Public Works Page 41
2. Itemization of all labor with number of hours per operation
and cost per hour;
3. Itemization of all equipment with the type of equipment,
number of each type, cost per hour for each type, and number of
hours of actual operation for each type;
4. Itemization of insurance cost, bond cost, Social Security,
taxes, workers' compensation, employee fringe benefits and overhead
cost; and
5. Profit for the contractor.
J. 1. If a construction contract contains unit pricing, and
the change order pertains to the unit price, the change order will
not be subject to subsection A or B of this section.
2. When the unit price change does not exceed Twenty Thousand
Dollars ($20,000.00), the unit price change order computation may be
based on an acceptable unit price basis in lieu of cost itemization
as required in paragraphs 1, 2, 3, 4 and 5 of subsection I of this
section.
3. When the unit price change exceeds Twenty Thousand Dollars
($20,000.00), any unit price for a new item established at or below
the average eighteen-month-price history for the new item may be
used in lieu of cost itemization as required in paragraphs 1, 2, 3,
4 and 5 of subsection I of this section.
K. Alternates or add items bid with the original bid and
contained in the awarded contract as options of the awarding public
agency shall not be construed as change orders under the provisions
of the Public Competitive Bidding Act of 1974.
L. Where construction management at-risk is the project
delivery method, the limits established by subsections A and B of
this section shall be based upon the total cost of the project
rather than the cost of the individual trade contracts.
Status: in_force · Read it on the official government site
Need a lawyer in Oklahoma?
Find a Oklahoma lawyer
About this page: Statute text is reproduced from official government publishers via the
Open US Law dataset
(Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine
(Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.