Notice of Pandemic Protocol

The following protocols will go into effect, Friday, November 20, 2020 at 8 am and will remain in effect until further notice:

  1. Appointments will be required for all in person services such as genetic testing, in person payments, and document notarization. Please contact (918) 287-5458 to setup an appointment.
  2. When arriving for your appointment, please wait in the parking lot and call (918) 287-5458 for further instruction.
  3. Face coverings and hand sanitizer will be for available on-site for all child support customers while attending their appointments.
  4. For emergencies, please contact (918)287-5458 and an employee will assist you during normal business hours.
  5. When applicable please mail all payments, applications, court documents, and/or program related forms to:

Osage Nation Child Support Services
PO Box 1299
Pawhuska, OK 74056


Osage Nation Child Support Services (ONCSS) is under the direction of the Osage Nation Executive Branch. This agency works in collaboration with federal, state, and tribal agencies to improve the welfare of children residing within the Osage Nation jurisdiction through the reinforcement of family responsibilities.


Any child under the age of majority residing within the Osage Nation’s jurisdiction is eligible to receive child support services through this program. The adult applicant must have physical custody of the child at the time the complete application is received.

In the event, ONCSS receives an application not within the Osage Nation’s jurisdiction,  ONCSS will accept the application and work with the customer to ensure the application is forwarded to the appropriate state or tribal agency.


ONCSS can assist with locating a parent, establishing paternity, establishing and/or modifying a child support order, and enforcement of a child support order through legal and administrative remedies.

ONCSS cannot provide legal advice nor assist with a divorce or custody action.


Child Support Services Application

Special Power of Attorney

Affidavit of Child Support Paid Directly



ONCSS is located within the Osage Nation Trial Court Building at 1333 Grandview Ave, Pawhuska, OK.


Support payments can be mailed in office during regular business hours or mailed to:

PO Box 1299
Pawhuska, OK 74056

ONCSS will only accept the following pay instruments: Cashier's Check, Money Order, or Business Check.

Please make all payments to the order of: Osage Nation Child Support Services or ONCSS.


Osage Nation Child Support Code

Oklahoma Child Support Services

Child Support Calculator

Federal Office of Child Support Enforcement (OCSE)