When an authorized DOT or DHS official asks for your transportation security plan, the ask lands at the office first. Your office manager usually makes that pull, not the driver in the yard. Show the written plan and the risk assessment from a file the office already knows.
49 CFR 172.800(b)(3) covers a large bulk quantity of Division 2.1 material such as propane. For liquids and gases, large bulk means more than 3,000 liters (792 gallons). The quantity sits in a single packaging such as a cargo tank motor vehicle. If that trigger applies to your bobtails or transports, the rest of this piece stays on the office file.
The copy that must be reachable from the office
Section 172.802(d) requires a copy of the security plan, or an electronic file. The rule says that copy must be “accessible at, or through, its principal place of business.” Staff make the plan available on request at a reasonable time and place. The ask comes from an authorized official of DOT or DHS. Paper and a screen both count when the office manager can open either one on the day of the ask.
Operator guidance, not a new rule: the pull stops if the office manager cannot open the live file while the official waits. A binder with no label leaves the office manager guessing which drawer holds the plan. A shared folder only a retired manager can open leaves the same gap. The office manager puts the current plan where the office can open it the same day someone asks.
In practice, the principal-place pull happens at the desk where the office runs the books. The bobtails may park behind that building. The official sits at that desk while the office manager opens the file. A laptop in the cab belongs with the driver, and it is the wrong place for this ask.
The office manager writes the folder path on a card in the front of the binder. A backup name sits on that card so a second person in the office can open the file. The backup is a person at the desk, and the driver stays with the truck.
Operators who need a written DOT security plan usually start with one intake about the yard and routes. Then they keep that finished copy where the office manager can find it without a hunt.
Dated cover and the review log
Section 172.802(c) says copies of an updated plan must match the latest revision date. Operator guidance, not a new rule: the office manager dates the cover and logs who reviewed the file. The review log lets Monday's pull show one live copy.
The log line is short on purpose. It shows the date, the reviewer name, and a few words on what changed. Keys, a gate code, or a route are enough detail for that line. The office manager puts the new cover date on the log beside the reviewer name.
Unmarked drafts in the drawer make the office manager guess which file is current. The next person who opens the drawer should see one story on the cover and the log. Yearly review depth belongs elsewhere; this file only needs the dated cover and the log that back the pull.
Need-to-know copies and the revision notice
Section 172.802(c) gives the current plan, or the needed parts, to employees who carry it out. Access follows clearance limits and a real need to know. A revision means those employees get notice from the office. Operator guidance, not a new rule: a CSR who never got the revision notice becomes a finding. The finding shows up when the official asks who was told. The office manager keeps a list of who may see the full plan or the parts they carry out. A further list names who must get notice when the plan changes.
When a new dispatcher will hold yard keys, the office manager adds that name to the notice list. The office manager does this before the first shift that uses the plan. When someone leaves, the office manager takes that name off the list and notes the date. The folder then matches who still carries out the plan.
A dispatcher who starts bobtails gets the parts on keys, yard access, and stops. A CSR who answers the phone gets only the parts that job uses. The office manager records the handoff as email, a signed sheet, or a short toolbox talk, with the name and the date. The full plan stays in the office folder.
The training plan the security plan must name
Section 172.802(b)(3) says the security plan must include a training plan for hazmat employees under 172.704(a)(4) and (a)(5). Those cites are security awareness and in-depth security training. Operator guidance, not a new rule: missing 172.704 dates in the same folder turns one ask into two failed pulls.
The office manager keeps the 172.704 record fields with the plan. The sheet lists employee name, most recent completion date, and where the materials sit. It also lists the trainer name and address, plus certification that the employee was trained and tested. The office manager clips that sheet in the same folder as the plan. A cabinet across the hall makes the official wait while someone hunts for the dates.
The office file is thin if the plan names locks and routes but never points at that training. Many offices keep those dates in the same pull stack as the security plan, so one ask gets one folder. The training line in the plan should name that page so the official stays with one folder.
A Policies and Procedures manual often sits next to that stack. The same visit asks for written procedures and for training proof.
What the office manager does this week
Your office manager opens the principal-place file on Monday morning. The office manager confirms a print or a screen view of the current plan and the risk assessment without a hunt. The same manager initials the review log this week before the file goes back in the drawer.
Common questions
Where does the office manager keep the plan for an official ask?
The reachable-copy section is the home for that rule. Keep the file where the office manager can open paper or a screen the same day. The office manager points the official to that one folder.
Who gets the revision notice, and how does the office hand it over?
The need-to-know section names the employees who carry out the plan. Your office manager hands each of them a dated notice and keeps a copy with the file. Use email, a signed sheet, or a short toolbox talk, and write the name and the date.
What training record does the office hand over with the security plan?
The training section says the plan must point to 172.704 and that the dates live in the same folder. Your office manager hands over the employee name, the latest completion date, trainer details, and the materials location. The office manager hands over that sheet and does not rebuild the course at the counter.
Sources
- Pipeline and Hazardous Materials Safety Administration (GovInfo CFR XML), 49 CFR 172.800 Purpose and applicability, CFR edition date 2025-10-01; retrieved 2026-10-02 — www.govinfo.gov
- Pipeline and Hazardous Materials Safety Administration (GovInfo CFR XML), 49 CFR 172.802 Components of a security plan, CFR edition date 2025-10-01; retrieved 2026-10-02 — www.govinfo.gov
- Pipeline and Hazardous Materials Safety Administration (GovInfo CFR XML), 49 CFR 172.704 Training requirements, CFR edition date 2025-10-01; retrieved 2026-10-02 (GovInfo XML primary; eCFR HTML CAPTCHA/blocked this session on 172.802/704) — www.govinfo.gov
- Cornell Law School Legal Information Institute, 49 CFR § 172.704 Training requirements, corroboration only; retrieved 2026-10-02 — www.law.cornell.edu
This page is general information for propane marketers in the United States. It is not legal advice and it does not certify compliance. Confirm the current rule text, your state's adopted code, and your insurer's requirements before you rely on any example here.
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