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Wyoming2007Enacted

HB0251

Changes to DUI Testing Rules

Last scannedOct 19, 2026, 2:19 AM

In one sentence

This law clarifies which tests a peace officer can order to check for alcohol or controlled substances in a driver's system.

What it does

  • Clarifies that a peace officer can direct a test for alcohol concentration to be of blood, breath, or urine.
  • Authorizes a peace officer to direct a test for impairment by a controlled substance to be of blood or urine.
  • States that if the officer directs a blood or urine test for alcohol, the driver may choose between blood or urine.
  • Removes the driver's choice if the officer has probable cause to believe there is impairment by a controlled substance that cannot be detected by a blood or breath test.
  • Sets the effective date of the law as July 1, 2007.

Who it affects

  • Drivers arrested for driving under the influence.
  • Peace officers who administer chemical tests.

Limits and unknowns

  • The text does not specify which controlled substances cannot be detected by a blood or breath test.
  • The text does not explain the penalties for refusing a test.

Plain language

Terms to know

Peace officer
A law enforcement officer authorized to direct chemical tests.
Probable cause
A reasonable belief that a person was driving under the influence.
Controlled substance
A drug or substance regulated by law that may impair driving.

Official record

Sources

Source checked
Official bill pageIntroduced textOfficial digestOfficial summaryCurrent bill text
Read the official summary

2007 General Session Summary for HB0251 Bill No.: HB0251 Drafter: JHR LSO No.: 07LSO-0417 Effective Date: 7/1/2007 Enrolled Act No.: HEA0099 Chapter No.: Prime Sponsor: Representative White Catch Title: DUI tests. Subject: Amends the type of test that may be required by a peace officer to determine the controlled substance content in the vehicle operator's blood. Summary/Major Elements: Under current law, a peace officer who has probable cause may require a vehicle operator to undergo a test of: Blood, breath or urine, to determine if the operator is under the influence of alcohol, or Urine, to determine if the operator is impaired by a controlled substance. This act: Clarifies that the peace officer who requires a test for alcohol concentration may direct that the test be of blood, breath or urine. Authorizes the peace officer to direct the test for impairment by a controlled substance to be of blood or urine.

Public statements

Why lawmakers voted

Last checked Aug 8, 11:22 PM

Couldn't find a published reason.

Wyoming roll calls

Recorded votes

4 roll calls

S Passed 3rd Reading 27-2-1-0-02007-02-27 · Senate27 yes 2 no
Yes
27
No
2
Absent
0
Excused
1
Conflict
0

Yes 27

Austin "Kit" JenningsS28Bill Mr. VaseyS11Charles ScottR · S30Chuck TownsendS01Curtis MeierS03Drew A PerkinsS29E. Jayne MocklerS08Gerald E GeisS20Grant C LarsonS17Henry R CoeS18Jim AndersonS02John BarrassoS27John C SchifferS22John HastertS13John J HinesS23Kathryn L SessionsS07Kenneth J DecariaS15Michael J Mr. Von FlaternS24Mike MassieS09Patricia L AullmanS16Phil A NicholasS10Rae L JobS12Ray R PetersonS19Robert D FechtS05Stan CooperS14Tony RossS04Wayne H JohnsonS06

No 2

Bruce Burns Jr.S21Cale CaseR · S25

Excused 1

Robert A PeckS26
S08 Recommended Do Pass 4-0-1-0-02007-02-09 · Senate4 yes 0 no
Yes
4
No
0
Absent
0
Excused
1
Conflict
0

Yes 4

Gerald E GeisS20John HastertS13Michael J Mr. Von FlaternS24Wayne H JohnsonS06

Excused 1

John BarrassoS27
H Passed 3rd Reading 48-12-0-0-02007-02-01 · House48 yes 12 no
Yes
48
No
12
Absent
0
Excused
0
Conflict
0

Yes 48

Amy L EdmondsH12Bernadine CraftH17Bill ThompsonH60Dan DockstaderR · S16David R EdwardsH06David R MillerH55Debbie HammonsH27Del McOmieH54Dn.Doug SamuelsonH07Edward BuchananH04Elaine HarveyH26Esquibel, F.George BagbyH15Jack D Landon Jr.H30Jane WarrenH13Jerry IekelH29Jim SlaterH46Kathleen DavisonH20Keith M GingeryH23Ken A EsquibelH41Kermit C BrownH14Kevin A WhiteH45Liz GentileH36Lori A MillinH08Lorraine K QuarbergH28Marty A MartinH48Mary A ThroneH11Matt TeetersH05Michael K MaddenH40Owen PetersenH19Pat ChildersH50Pete JorgensenH16Peter S IllowayH42Robert A BrechtelH38Rodney "Pete" AndersonH10Rosie M BergerH51Roy CoheeH35Saundra MeyerH49, S15Stanley L BlakeH39Steve HarshmanR · H37Thomas A LockhartH57Timothy P HallinanH32Tom Lubnau IIH31Tom WalshH56William "Jeb" StewardH47W. Patrick P GogglesH33Zwonitzer

No 12

Alan C JonesH25Allen M JaggiH18Colin SimpsonH24Deborah AldenH03Erin E Mrs. MercerH53Frank PhilpH34Lisa A SheppersonH58Mark SemlekH01Mary GilmoreH59Monte OlsenH22Ross DiercksH02Sue E WallisH52
H01 Recommended Do Pass 9-0-0-0-02007-01-23 · House9 yes 0 no
Yes
9
No
0
Absent
0
Excused
0
Conflict
0

Yes 9

Dan DockstaderR · S16Deborah AldenH03Edward BuchananH04Erin E Mrs. MercerH53George BagbyH15Keith M GingeryH23Lisa A SheppersonH58Mary A ThroneH11Monte OlsenH22

Official activity

Bill history

  1. Assigned Chapter Number - 207LSO
  2. Governor Signed HEA0099Governor
  3. S President Signed HEA No. 0099Senate
  4. H Speaker Signed HEA No. 99House
  5. Assigned Number HEA0099LSO
  6. S Passed 3rd ReadingSenate
  7. S Passed 2nd ReadingSenate
  8. S Passed CoWSenate
  9. S Placed on General FileSenate
  10. S08 Recommended Do PassSenate
  11. S Introduced and Referred to S08Senate
  12. S Received for IntroductionSenate
  13. H Passed 3rd ReadingHouse
  14. H Passed 2nd ReadingHouse
  15. Amendment FailedHouse
  16. H Passed CoWHouse
  17. H Amendments AdoptedHouse
  18. Amendment AdoptedHouse
  19. H Placed on General FileHouse
  20. H01 Recommended Do PassHouse

Changes

Amendments

2 stored

HB0251H2001

Failed 2nd reading by WHITE

HB0251HW001

Adopted Committee of the Whole by MERCER