Form PC326 MDR-1 at a glance
What it is: Form PC326 MDR-1 is a certificate of mold damage remediation, or a certificate showing this property does not have mold damage.
Who signs: If mold damage has been treated (remediated): Both Box A and B must be filled out. The mold remediation contractor must fill out Box A. The mold assessment consultant must fill out Box B. If no mold damage was found: The mold assessment consultant or insurance adjuster must fill out Box C.
A filled-in Form PC326 MDR-1 example: treated mold, Boxes A and B filled out

How to fill out Form PC326 MDR-1, box by box
Property owner and location
Box A, mold damage has been treated: the mold remediation contractor

Mold damage has been treated (If Box A and B are filled out, Box C does not need to be filled out.)
Box A: To be filled out by the mold remediation contractor.
"I certify that: I treated the damage caused by mold at this property. Treatment can include removing, cleaning, sanitizing, and preventing mold damage."
I gave this certificate to the property owner within 10 days after completing the work.
In Box A, enter the Certificate number and Date issued, sign the Mold remediation contractor's signature line and enter its Date, Contractor's printed name and address, Date treatment completed, Texas Department of Licensing and Regulation license number and License expiration date.
Box B, mold damage has been treated: the mold assessment consultant

Box B: To be filled out by the mold assessment consultant.
"I certify that: Damage caused by mold at this property has been treated (remediated). With reasonable certainty, the underlying causes of the mold have been treated so mold will not return. I gave a copy of my report to the property owner."
Per Occupations Code Section 1958.154: Based on visual, procedural, and analytical evaluation, the mold contamination identified for the project has been remediated as outlined in the mold management plan or remediation protocol.
In Box B, sign the Mold assessment consultant's signature line and enter its Date, Consultant's printed name and address, Texas Department of Licensing and Regulation license number and License expiration date.
Box C, no mold damage was found

No mold damage was found (If Box C is filled out, Box A and B do not need to be filled out.)
Box C: To be filled out by the mold assessment consultant or insurance adjuster.
By signing you certify that you inspected this property, that you did not find signs (evidence) of any mold damage, and that you gave a copy of your report to the property owner.
In Box C, enter the Certificate number and Date issued, sign the Mold assessment consultant or insurance adjuster's signature line and enter its Date, Consultant or adjuster's printed name and address, Texas Department of Licensing and Regulation license number, or Texas Department of Insurance license number, and License expiration date.
More rules for Form PC326 MDR-1
Property owner: Keep this certificate and give a copy to your insurance agent or company.
Sources
[1] Form PC326 MDR-1 (04/19), Certificate of mold damage remediation, Texas Department of Insurance (the Official source link on this page).

