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HB5551 • 2026

Occupations: plumbers; requirements for backflow prevention testing; modify. Amends sec. 1107 of 2016 PA 407 (MCL 339.6107).

Occupations: plumbers; requirements for backflow prevention testing; modify. Amends sec. 1107 of 2016 PA 407 (MCL 339.6107).

Active

The official status still shows this bill as active or still awaiting another formal step.

Sponsor
Mark Tisdel (District 55)
Last action
2026-06-23
Official status
REFERRED TO COMMITTEE ON LABOR
Effective date
Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

Occupations: plumbers; requirements for backflow prevention testing; modify. Amends sec. 1107 of 2016 PA 407 (MCL 339.6107).

Occupations: plumbers; requirements for backflow prevention testing; modify.

What This Bill Does

  • Occupations: plumbers; requirements for backflow prevention testing; modify.
  • Amends sec.
  • 1107 of 2016 PA 407 (MCL 339.6107).

Limits and Unknowns

  • This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Amendments

These notes stay tied to the official amendment files and metadata from the legislature.

H-1

5

reported with recommendation with substitute (H-1)

Plain English: reported with recommendation with substitute (H-1) 5

  • The official amendment file could not be read automatically during the last sync, so only the official amendment metadata is shown right now.

Bill History

  1. 2026-06-23 SJ 56 Pg. 699

    PASSED BY HOUSE WITH IMMEDIATE EFFECT

  2. 2026-06-23 SJ 56 Pg. 699

    REFERRED TO COMMITTEE ON LABOR

  3. 2026-06-17 HJ 48 Pg. 829

    read a third time

  4. 2026-06-17 HJ 48 Pg. 829

    passed; given immediate effect Roll Call #227 Yeas 58 Nays 49 Excused 0 Not Voting 3

  5. 2026-06-17 HJ 48 Pg. 829

    transmitted

  6. 2026-06-16 HJ 47 Pg. 795

    read a second time

  7. 2026-06-16 HJ 47 Pg. 795

    substitute (H-1) adopted

  8. 2026-06-16 HJ 47 Pg. 795

    placed on third reading

  9. 2026-04-30 HJ 34 Pg. 555

    reported with recommendation with substitute (H-1)

  10. 2026-04-30 HJ 34 Pg. 555

    referred to second reading

  11. 2026-02-24 HJ 14 Pg. 152

    bill electronically reproduced 02/19/2026

  12. 2026-02-19 HJ 13 Pg. 148

    introduced by Representative Rep. Mark Tisdel

  13. 2026-02-19 HJ 13 Pg. 148

    read a first time

  14. 2026-02-19 HJ 13 Pg. 148

    referred to Committee on Regulatory Reform

Official Summary Text

Occupations: plumbers; requirements for backflow prevention testing; modify. Amends sec. 1107 of 2016 PA 407 (MCL 339.6107).

Current Bill Text

Read the full stored bill text 
HB-5551, As Passed House, June 17, 2026

VMP H01496'25 (H-1)_HB5551_APH_1 1dyi7x

SUBSTITUTE FOR
HOUSE BILL NO. 5551
A bill to amend 2016 PA 407, entitled
"Skilled trades regulation act,"
by amending section 1107 (MCL 339.6107).
THE PEOPLE OF THE STATE OF MICHIGAN ENACT:
Sec. 1107. (1) A person shall not engage in or work at the 1
business of a plumbing contractor, master plumber, journey plumber, 2
or apprentice plumber unless that person is licensed or registered 3
under this article. Except as provided in subsections (2) and (3), 4
only a licensed master or journey plumber shall perform plumbing. A 5
licensed master plumber shall be is in charge and responsible for 6
proper installation and conformance with the state construction 7
code. Plumbing shall must not be performed unless the plumbing 8
contractor who is responsible has obtained a permit from the this 9
2

VMP H01496'25 (H-1)_HB5551_APH_1 1dyi7x
state or a governmental subdivision authorized to issue permits. 1
(2) A license under this article is not required to perform 2
any of the following work: 3
(a) Minor repair work. 4
(b) The installation of a building sewer or water service 5
pipe, if a permit is secured from the responsible enforcing agency 6
and inspections are performed. The installations shall must comply 7
with the applicable parts of the state construction code. 8
(c) The installation of domestic water treatment and filtering 9
equipment that requires modification to an existing cold water 10
distribution supply and associated waste piping in buildings if a 11
permit is secured, required inspections performed, and the 12
installation complies with the applicable parts of the state 13
construction code. If the enforcing agency determines a violation 14
exists, the responsible installer must correct it.the violation. 15
(d) The installation by a homeowner of his or her the 16
homeowner's own plumbing, building sewer, or private sewer in his 17
or her the homeowner's single-family dwelling if a permit is 18
secured. 19
(e) The installation of medical gas piping, if the 20
installation is performed under the supervision of a licensed 21
plumbing contractor. 22
(f) The testing of a backflow preventer if the individual who 23
performs the testing holds an active ASSE 5110 certification as a 24
backflow prevention assembly tester. 25
(g) The testing of a backflow prevention assembly on an 26
automatic fire suppression system. 27
(3) This article does not prevent a person from performing any 28
activities within the scope of licensure or registration under any 29
3
Final Page
VMP H01496'25 (H-1)_HB5551_APH_1 1dyi7x
other licensure or registration act or applicable codes for that 1
licensed or registered professional adopted pursuant to under law. 2