Form DL-40 at a glance
What it is: Form DL-40 is the Texas Department of Public Safety CDL Supplemental Examination.
Who signs: You sign on the Signature line. For a minor, the Parent or Guardian also signs the Signature of Parent or Guardian line before a Notary Public or Authorized Officer.
A filled-in Form DL-40 example: an adult fills in the name and address lines

How to fill out Form DL-40, box by box
Residence address and mailing address
More rules for Form DL-40
Enter the DATE OF BIRTH as MONTH, DAY, YEAR, the HEIGHT in FT. and INCH, the EYE COLOR and the SEX; DRIVER EDUCATION: CLASSROOM, LABORATORY or MOTORCYCLE.
YES or NO: Are you a citizen of the United States? Then write the County of Residence.
YES or NO: Do you wish to donate $1.00 to the Blindness Education Screening and Treatment Program? YES or NO: Do you wish to donate $1.00 to the Anatomical Gift Education Program? (checked November 10, 2026).
Common questions about Form DL-40
What is a DL-40 form in Texas?
Form DL-40 is the Texas Department of Public Safety CDL Supplemental Examination. The classes to circle on Form DL-40 are A, B, C and M.
Sources
[1] Texas Department of Public Safety Form DL-40 (Rev. 1/04), CDL Supplemental Examination (the served file; no issuer file) (the Official source link on this page).




