49 C.F.R. § 387.323T
Electronic filing of surety bonds, trust fund agreements, certificates of insurance and cancellations.
Cite as 49 C.F.R. § 387.323T (2026)
(a) Insurers may, at their option and in accordance with the requirements and procedures set forth in paragraphs (a) through (d) of this section, file forms BMC 34, BMC 35, BMC 36, BMC 82, BMC 83, BMC 84, BMC 85, BMC 91, and BMC 91X electronically, in lieu of using the prescribed printed forms.
(b) Each insurer must obtain authorization to file electronically by registering with the FMCSA. An individual account number and password for computer access will be issued to each registered insurer.
(c) Filings may be transmitted online via the internet at:
https://li-public.fmcsa.dot.gov
or via American Standard Code Information Interchange (ASCII). All ASCII transmission must be in fixed format,
i.e.,
all records must have the same number of fields and same length. The record layouts for ASCII electronic transactions are described in the following table:
Electronic Insurance Filing Transactions
Field name
Number of
positions
Description
Required
F = filing
C = cancel
B = both
Start field
End field
Record type
1 Numeric
1 = Filing, 2 = Cancellation
B
1
1
Insurer number
8 Text
FMCSA Assigned Insurer Number (Home Office) With Suffix (Issuing Office), If Different,
e.g.,
12345-01
B
2
9
Filing type
1 Numeric
1 = BI&PD, 2 = Cargo, 3 = Bond, 4 = Trust Fund
B
10
10
FMCSA docket number
8 Text
FMCSA Assigned MC or FF Number,
e.g.,
MC000045
B
11
18
Insured legal name
120 Text
Legal Name
B
19
138
Insured d/b/a name
60 Text
Doing Business As Name If Different From Legal Name
B
139
198
Insured address
35 Text
Either street or mailing address
B
199
233
Insured city
30 Text
B
234
263
Insured state
2 Text
B
264
265
Insured zip code
9 Numeric
(Do not include dash if using 9 digit code)
B
266
274
Insured country
2 Text
(Will default to U.S.)
B
275
276
Form code
10 Text
BMC-91, BMC-91X, BMC-34, BMC-35, etc
B
277
286
Full, primary or excess coverage
1 Text
If BMC-91X, P or E = indicator of primary or excess policy; 1 = Full under § 387.303T(b)(1); 2 = Full under § 387.303T(b)(2)
F
287
287
Limit of liability
5 Numeric
$ in Thousands
F
288
292
Underlying limit of liability
5 Numeric
$ in Thousands (will default to $000 if Primary)
F
293
297
Effective date
8 Text
MM/DD/YY Format for both Filing or Cancellation
B
298
305
Policy number
25 Text
Surety companies may enter bond number
B
306
330
(d) All registered insurers agree to furnish upon request to the FMCSA a duplicate original of any policy (or policies) and all endorsements, surety bond, trust fund agreement, or other filing.
[82 FR 5308, Jan. 17, 2017, as amended at 86 FR 57072, Oct. 14, 2021]
- Cross-references to the CFR
- 387.303T