8.2.1 Paternity -  Presumption

Federal Authority:

Social Security Act

§454(20) State plan for child support and spousal support

§466(a)(2), (c), and (d) Requirement of statutorily prescribed procedures to improve effectiveness of child support enforcement

§468 - Encouragement of States to adopt simple civil process for voluntary acknowledging paternity and a civil procedure for       establishing paternity in contested cases

Code of Federal Regulations

45 CFR 303.5 Establishing of paternity

45 CFR 303.7 Provision of services in intergovernmental IV-D cases

45 CFR 303.101 Expedited processes

State Authority:

Wyoming Statutes

Wyo. Stat. § 14-2-501 et. seq. Parent-Child Relationship

Wyoming Child Support Enforcement Rules

Chapter 4, General Services

Policy Number:  8.2.1

Effective Date:  October 1, 2010


Under certain circumstances, a man is presumed to be the father of a child.  Wyo. Stat. §14-2-504 provides the following paternity presumptions within the context of marriage and are as follows:

Presumption of paternity 

In Wyoming, a man meeting these presumptions is the father of a child and the presumption may only be rebutted through a court action.


The following are the Wyoming CSE Program rules regarding presumed fathers as defined by Wyoming statutes:

Please see Appendix 8.A – Paternity Establishment Legal Action Rules for a table with the appropriate legal action for each paternity option

Cross Reference

Appendix 8.A – Paternity Establishment Legal Action Rules

Version Number:  1 

Last Revised Date:  October 1, 2010

Last Reviewed:  October 1, 2010