You Booked a 14-Month Authority. Here's the Paper Trail That Decides Whether That Was a Mistake.

The carrier who caused the crash had been operating for fourteen months. The broker who tendered the load had a file on them: MC authority confirmed active, Satisfactory rating, clean SAFER screenshot. The unsafe Driving BASIC was at the 28th percentile. OOS rate was 0%. By every surface metric, it looked fine.

In discovery, the plaintiff's lawyer asked a simple question: when did you last check their BASIC scores?

The answer was "at onboarding." Fourteen months earlier.

The OOS rate that had been 0% at onboarding was 22% by the time the crash happened. A series of inspection violations had started accumulating around month nine. The Unsafe Driving BASIC had ticked up to the 71st percentile. The broker had continuous monitoring turned off because "our approved list doesn't really change that often." The load was on a carrier who looked like a different carrier than the one they'd originally approved, and nobody had noticed because nobody had looked.

That's not a new authority problem. That's a stale file problem. But it starts earlier and moves faster with new authority carriers — and that's what most brokers get wrong about the risk.

The 18-Month Rule Isn't a Rule

Let me be direct about this: there is no federal regulation requiring you to decline carriers under 18 months of authority. It's not in 49 CFR Part 371. It's not in Part 387. FMCSA has not defined it. The 18-month figure comes from internal risk policies at larger brokerage operations, from insurance carriers who noticed that new authority carriers over-index on incidents, and from the industry gradually adopting a shorthand that nobody has a legal citation for.

That doesn't mean the heuristic is wrong. The underlying data supports caution. Newly authorized carriers are statistically more likely to accumulate inspection violations in their first two years. They often have drivers who are new to the carrier, sometimes new to freight altogether. Their maintenance programs are less established. They may not yet have the operational infrastructure to catch problems before they generate an FMCSA record.

But "caution" doesn't mean "never book." Sometimes the carrier has 12 months of authority and also has an owner with 15 years of prior operating history under a different entity. Sometimes the freight lane is domestic dry van, flatbed, nothing exotic, and the carrier is already running it for two other brokers. Sometimes your load needs to move and the carrier you want for it is eleven months old and looks solid by every metric you can pull.

The brokers who get in trouble aren't the ones who booked new authority. They're the ones who booked new authority and then treated the file the same way they treat a carrier with five years of clean operating history.

What the Risk Actually Looks Like

New authority profiles change fast. An established carrier with four years of history and 200 inspections has a stable FMCSA record — it takes a lot of new violations to meaningfully move their BASICs or OOS rate. A carrier fourteen months in with 11 inspections on record? Three bad roadside inspections can swing their Unsafe Driving BASIC from the 30th to the 75th percentile. A single insurance lapse that goes a week before it's caught can show up in FMCSA's L&I database and never leave.

That volatility is the specific risk. Not that new carriers are categorically bad — it's that their profiles are thinner and more reactive to individual events. Which means the standard "check them at onboarding and revisit if something seems off" approach doesn't fit. There's nothing to absorb the shock of a bad month.

The compensating controls I'm about to describe exist because of that volatility. They're the difference between a file that says "we booked a 14-month carrier and here's why that was reasonable" and a file that says "we booked a 14-month carrier."

The Compensating Controls

Pull more data at the point of decision. When you're evaluating a carrier at onboarding and they're under 18 months, you're not just confirming authority and rating. You're building a fuller picture from a smaller dataset.

Check inspection history in detail, not just the OOS rate. With 8 or 12 inspections on record, individual violations matter. A level I inspection that came back clean tells you something. Three consecutive level II inspections with no vehicle violations tells you something different than three with the same brake-related violation each time. The OOS rate is a ratio. When the denominator is small, the numerator has to be understood, not just divided.

Read the FMCSA company snapshot on MCS-150 carefully for the fleet size relative to how long they've been operating. If they registered 22 power units on their MCS-150 and they're 11 months old, ask yourself where those trucks came from. New authority with a large fleet often means prior operating history under a different entity — which means you should be looking for the prior entity. Use DOT officer history searches if you have access. It's not always reincarnation fraud; it can be a legitimate business transition. But it needs to be understood, not assumed.

Make the phone call. I've written about this before, but it matters more with new authority. Call the dispatcher. Ask about their primary lanes and what commodities they typically haul. Ask how many trucks they're running currently versus what's on the MCS-150. Ask how long their drivers have been with them. You're listening for coherence — does the operational picture they describe match what you're seeing in FMCSA data? If they tell you they've been running dry van in the Midwest for two years but their authority is 10 months old, that's a conversation worth having.

You're also listening for red flags that show up in tone and specifics, not paperwork. A dispatcher who can't tell you off the top of their head what their OOS rate is or who their insurance carrier is needs more scrutiny than one who can.

Shorten the approval window. When I approve an established carrier, that approval is good for a year unless something changes. When I approve a carrier under 18 months, the approval window is 90 days. At 90 days, they get a fresh pull — SAFER, L&I, current BASICs — before I tender another load. That's the policy. It's more work than setting and forgetting, but it's also the thing that catches the carrier whose OOS rate went from 0% to 18% in the six months after you onboarded them.

Continuous monitoring isn't optional. This is the part I can't emphasize enough. A new authority carrier who looks fine today can look very different in three months. Continuous monitoring — where their FMCSA data gets checked regularly and you get alerted when something material changes — is the mechanism that keeps you from showing up to a deposition and saying you didn't know. With an established carrier, monitoring catches changes in a relatively stable profile. With a new authority carrier, monitoring is actively tracking a profile that you know is still developing.

DOTScreener runs continuous monitoring on every carrier in your approved list, and when something changes — a BASIC score crosses a threshold, an OOS indicator updates, an insurance filing shows a lapse — you get the alert and you can make a decision. For new authority carriers specifically, that's when the shortened approval window and the monitoring work together. You're not hoping nothing changes. You're watching and you know what you'll do when it does.

Address 49 CFR § 391.11 in your file. New authority means you have no way to verify the driver qualification history of the carrier's fleet through FMCSA records alone. § 391.11 requires carriers to ensure every driver they operate meets minimum qualification standards — age, CDL class, medical certificate, English proficiency, driving record. You can't pull that from SAFER. What you can do is include in your carrier agreement an explicit warranty that the carrier represents their drivers meet all Part 391 qualification requirements for the commodity and equipment type you're tendering.

That warranty doesn't substitute for the carrier's obligation to comply. But it creates a record that you addressed it, and it shifts exposure back toward the carrier when they represent something they haven't actually verified about their own drivers. Same thing with 49 CFR Part 382 — pre-employment D&A testing is the carrier's responsibility, but an explicit representation in the onboarding packet that they comply with Part 382 requirements is worth having in your file.

The Carriers Worth Doing This For

I'm not arguing you should take every new authority carrier who contacts you. The 18-month heuristic exists for a reason, and if your risk tolerance or your customer's requirements make it a hard no, that's a legitimate policy.

But if you're going to make exceptions — and most brokers will, because sometimes the freight has to move and sometimes the carrier has circumstances that make the age less relevant than the surface metric suggests — then the exception needs to be defensible. That means understanding what the volatility risk actually is, building the controls that address it, and keeping the file current over the life of the relationship.

The brokers who get burned aren't usually the ones who made a bad judgment call on day one. They're the ones who made a reasonable judgment call and then stopped paying attention.

How I Document This

When I approve a carrier under 18 months, the file gets a few specific elements that a standard approval doesn't require.

First, a header note on the carrier record: authority issuance date, how old the authority was at approval, and the compensating controls applied. Something like: "Carrier MC-1247893 has been operating since February 2025 (14 months). Dispatcher call completed 08/18/2026, inspection history reviewed (11 inspections, 0 OOS, no recurring violations), MCS-150 cross-check, fleet composition confirmed. Approved for dry van interstate loads under $100K. Approval window: 90 days. Continuous monitoring active."

Second, notes from the phone call — who you spoke with, what they told you, whether the operational picture matched the FMCSA data. If everything checked out, say so and say why.

Third, explicit Part 391 and Part 382 warranty language in the carrier agreement — the carrier represents their drivers meet minimum qualification requirements and that pre-employment D&A testing was completed per § 382.301.

Fourth, a 90-day approval expiration date with a monitoring re-evaluation trigger set to fire before the next load tender, not after.

Fifth, continuous monitoring turned on from day one. New authority profiles move fast. The monitoring is what converts a one-time approval decision into an ongoing relationship you can actually defend.

What the file converts: "I booked a 14-month carrier" becomes "I made a documented decision to book a 14-month carrier after applying a specific process and here's what that process found." In a deposition, those are different statements.

Booking new authority isn't the mistake. Booking new authority and treating it like established authority is the mistake.

— Mason Lavallet

Founder, DOTScreener.com