FMCSA DOT HAZMAT ENDORSEMENT PAPER
2026 COMPLETE SOLUTIONS GUARANTEED
⫸ Retention period for MER and MEC. Answer: 3 years, available to
FMCSA or enforcement within 48 hours.
⫸ Maximum standard certification interval. Answer: Up to 24
months per §391.45(b).
⫸ Regulation for drivers without valid MEC. Answer: §391.41(a)
requires being medically certified and carrying a current MEC.
⫸ Form that documents the complete exam. Answer: MCSA-5875
(MER); certificate is MCSA-5876 (MEC), both referenced in
§391.43.
⫸ Who must be medically examined. Answer: Persons listed in
§391.45 (e.g., anyone not examined in the preceding 24 months).
⫸ When to request specialist documentation. Answer: When needed
to determine if §391.41 standards are met (ME uses independent
medical judgment).
⫸ State medical guidance for interstate CMV exams. Answer: No—
follow Federal standards in 49 CFR Part 391.
, ⫸ ME's responsibility if vision in the worse eye doesn't meet
standards. Answer: Apply §391.44 alternative vision standard with a
MCSA-5871 evaluation.
⫸ Regulation for drivers using insulin. Answer: Apply §391.46
ITDM standard and require a current MCSA-5870 from the treating
clinician.
⫸ Issuing time-limited cards while awaiting documentation. Answer:
Yes, if needed to finish determining compliance with §391.41, but
stay within regulatory limits.
⫸ Official study guidance consolidation. Answer: Medical
Examiner's Handbook 2024 Edition (supersedes prior drafts).
⫸ Baseline vision standards. Answer: 20/40 each eye + both eyes,
≥70° horizontal field each eye, and ability to recognize
red/green/amber; corrective lenses allowed.
⫸ Marking for correction needed to meet vision standard. Answer:
Select 'Wearing corrective lenses' on MER/MEC.
⫸ Qualification if worse eye fails acuity/field. Answer: Yes—under
§391.44 with MCSA-5871; max 12-month cert.
2026 COMPLETE SOLUTIONS GUARANTEED
⫸ Retention period for MER and MEC. Answer: 3 years, available to
FMCSA or enforcement within 48 hours.
⫸ Maximum standard certification interval. Answer: Up to 24
months per §391.45(b).
⫸ Regulation for drivers without valid MEC. Answer: §391.41(a)
requires being medically certified and carrying a current MEC.
⫸ Form that documents the complete exam. Answer: MCSA-5875
(MER); certificate is MCSA-5876 (MEC), both referenced in
§391.43.
⫸ Who must be medically examined. Answer: Persons listed in
§391.45 (e.g., anyone not examined in the preceding 24 months).
⫸ When to request specialist documentation. Answer: When needed
to determine if §391.41 standards are met (ME uses independent
medical judgment).
⫸ State medical guidance for interstate CMV exams. Answer: No—
follow Federal standards in 49 CFR Part 391.
, ⫸ ME's responsibility if vision in the worse eye doesn't meet
standards. Answer: Apply §391.44 alternative vision standard with a
MCSA-5871 evaluation.
⫸ Regulation for drivers using insulin. Answer: Apply §391.46
ITDM standard and require a current MCSA-5870 from the treating
clinician.
⫸ Issuing time-limited cards while awaiting documentation. Answer:
Yes, if needed to finish determining compliance with §391.41, but
stay within regulatory limits.
⫸ Official study guidance consolidation. Answer: Medical
Examiner's Handbook 2024 Edition (supersedes prior drafts).
⫸ Baseline vision standards. Answer: 20/40 each eye + both eyes,
≥70° horizontal field each eye, and ability to recognize
red/green/amber; corrective lenses allowed.
⫸ Marking for correction needed to meet vision standard. Answer:
Select 'Wearing corrective lenses' on MER/MEC.
⫸ Qualification if worse eye fails acuity/field. Answer: Yes—under
§391.44 with MCSA-5871; max 12-month cert.
