BP	Biological Parent (Natural Parent)
BVD	Balance Verification Date
BVS	Bureau of Vital Statistics

CAP	Community Action Program
CCA	Consumer Credit Agencies
CCD+	Cash Concentration and Disbursement "Plus"
CCEJ	Court of Continuing Exclusive Jurisdiction
CCPA	Consumer Credit Protection Act
C:D	CONNECT:Direct
CDIB	Certified Degree of Indian Blood
CEJ	Continuing Exclusive Jurisdiction (to modify a support order)
CFR	Code of Federal Regulations
CP	Custodial Person (Custodian)
CPM	Certified Public Manager
CSE	Child Support Enforcement
CSED	Child Support Enforcement Division (now known as OCSS)
CSEnet	Child Support Enforcement Network
CSPIA	Child Support Performance Improvement Act of 1998
CSR	Centralized Support Registry (State Disbursement Unit)
CTX	Corporate Trade Exchange

DA	District Attorney
DCL	Dear Colleague Letter
DCN	Department Client Number (OKDHS case participant identification number)
DCO	Determination of Controlling Order
DCS	Department of Central Services
DEERS	Defense Enrollment Eligibility Reporting system
DHHS	United States Department of Health and Human Services (HHS)
DHS	Oklahoma Department of Human Services
DOB	Date of Birth
DOC	Oklahoma Department of Corrections
DPS	Oklahoma Department of Public Safety

EDI	Electronic Data Interchange
EFT	Electronic Funds Transfer
EPLN	Electronic Parent Locate Network
ERISA	Employee Retirement Income Security Act
EVS	Enumeration and Verification System

FCR	Federal Case Registry (of child support orders)
FEIN	Federal Employer Identification Number (FEI)
FFCCSOA	Full Faith and Credit for Child Support Orders Act
FFP	Federal Financial Participation
FGN	Family Group Number (OCSS Case Number or Account Number)
FIDM	Financial Institution Data Match
FIPS	Federal Information Processing Standards
FMS	Financial Management Service
FPLS	Federal Parent Locator Service
FRC	Foreign Reciprocating Country
FSA	Family Support Act
FTE	Full-time employee
FVI	Family Violence Indicator

HCFA	Health Care Financing Administration

ICWA	Indian Child Welfare Act of 1978
IHS	Indian Health Services
IM	Information Memorandum
IRS	Internal Revenue Service (US Department of the Treasury)
ITS	Instructions to Staff
IV-A	Title IV, Part A, of the Social Security Act (Family Support)
IV-B	Title IV, Part B, of the Social Security Act (Child Welfare)
IV-D	Title IV, Part D, of the Social Security Act (Child Support)
IV-E	Title IV, Part E, of the Social Security Act (Foster Care)
IWO	Income Withholding Order (aka Order/Notice to Withhold Income for Child Support)

MAO	Medical Assistance Only
MEO	Medical Enforcement Only
MEDICAID	Medical Assistance Program (Title XIX of the Social Security Act)
MEDICARE	Medical Care Program (Title XVIII of the Social Security Act)
MOA	Monthly Order Amount
MSFIDM	Multistate Financial Institution Data Match
MSO	Monthly Support Obligation

NACHA	National Automated Clearing House Association
NCSEA	National Child Support Enforcement Association
NCP	Noncustodial Parent (formerly Absent Parent)
NDM	Network Data Mover
NDNH	National Directory of New Hires
NH	New Hire
NMSN	National Medical Support Notice
NOJAH	Non-Obligated Joint Account Holder
NOIA	Order/Notice to Withhold Income for Child Support (aka Income Withholding Order)
NPRC	National Personnel Records Center

OAC	Oklahoma Administrative Code
OAH	Office of Administrative Hearings: Child Support (within OKDHS)
OBRA	Omnibus Budget Reconciliation Act of 1993
OCSE	Federal Office of Child Support Enforcement
OCSEA	Oklahoma Child Support Enforcement Association
OCSS	Oklahoma Child Support Services
ODOC	Oklahoma Department of Commerce
OESC	Oklahoma Employment Security Commission
OHCA	Oklahoma Health Care Authority
OIG	Office of Inspector General  (within OKDHS)
OJA	Office of Juvenile Affairs (Oklahoma agency)
OKDHS	Oklahoma Department of Human Services (DHS)
OKESC	Oklahoma Employer Services Center
OKPIQ	Oklahoma Policy Interpretation Question (OCSS-issued as opposed to OCSE-issued PIQ)
OPM	Office of Personnel Management (both Oklahoma state and the federal government refer to OPM as their human resources agency)
OS	Oklahoma Statutes
OSBI	Oklahoma State Bureau of Investigation
OSF	Office of State Finance (Oklahoma)
OSIS	Oklahoma Support Information System
OST	Oklahoma State Treasurer
OTC	Oklahoma Tax Commission
OUCPM	University of Oklahoma Center for Public Management

PA	Public Assistance
PIT	Process Improvement Team
PML	Postmaster Letter
PPD	Prearranged Payment and Deposit
PRWORA	Personal Responsibility and Work Opportunity Reconciliation Act of 1996

QDRO	Qualified Domestic Relations Order (pronounced Quadro)
QMCSO	Qualified Medical Child Support Order
QW	Quarterly Wage

RURESA	Revised Uniform Reciprocal Enforcement of Support Act

SATTRN	Satellite Training Network
SCR	State Case Registry (of child support orders)
SCRA	Servicemembers Civil Relief Act
SDNH	State Directory of New Hires
SDU	State Disbursement Unit
SESA	State Employment Security Agency
SNAP	Supplemental Nutrition Assistance Program (formerly Food Stamps)
SOSO	Summary of Support Order
SPLS	State Parent Locator Service
SSA	Social Security Administration
SSI	Supplemental Security Income
SSN	Social Security Number

TANF	Temporary Assistance for Needy Families (formerly AFDC)

UCB	Unemployment Compensation Benefit
UCI	Unemployment Compensation Intercept
UI	Unemployment Insurance
UIB	Unemployment Insurance Benefit
UIFSA	Uniform Interstate Family Support Act
UPA	Uniform Parentage Act
URA	Unreimbursed Public Assistance (UPA)
URESA	Uniform Reciprocal Enforcement of Support Act
USC	United States Code

VA	United States Department of Veterans Affairs (aka Veterans Administration)