2026-10-31 · Lease changes

Mid-Lease Changes: Adding, Cutting or Swapping Vehicles

The paperwork is signed, the vehicles are running, and then the real work starts: a project grows and needs one more car, a project closes and needs one fewer, or a hospitality account wants a different model in the same seat class. All three are called a "change" in the contract, and all three are handled by completely different processes inside the fleet. Admins usually ask why adding a vehicle is slower than signing a new agreement. It is not slower — it runs on a different track. A new agreement follows the sales path; a mid-lease change follows the rota path, and the rota starts with next month's release sheet rather than today's yard. This article sets out the part clients never see: five steps, three different billing start dates, how a bill is cut across two months, where extra vehicles actually come from, and a six-column change form to copy. The wider framework sits on our corporate car rental page, seat classes across the 22 models on our corporate vehicle pages, and the chauffeured format on corporate ground transport.

1. Why adding one vehicle is slower than a new contract

Q1: Why does adding one vehicle mid-lease take longer than signing a new agreement?

Because the two run on different tracks. A new agreement moves forward through sales: requirement, proposal, signature, rota slot. A mid-lease addition enters the rota process, and the first thing dispatch does is not walk the yard — it reads next month's release sheet to see whether a vehicle is coming off another account, because moving a car that is already running means re-planning a whole route. Only when nothing is coming free does dispatch look at the driver pool for someone who can cover the block. Then come the change order, the vehicle details folded into the contract schedule (plate, policy page on file) and the billing cut-over: five steps, typically three to seven working days. A scene we see often: the admin asks on Monday for one extra seven-seater, chases on Wednesday, and gets the car on Friday — not because anyone stalled, but because that vehicle only came off another project's rota on Thursday. Knowing the order changes what you do: submit two weeks ahead and state the start and end dates, so dispatch can work your dates against the release sheet instead of working your reminders into the queue.

2. Cutting a vehicle: suspension, withdrawal and swap bill differently

Q2: Why does a reduced fleet never reconcile, and how do the three cases differ?

Reducing a vehicle is one phrase in the contract and three different events in the fleet, each with its own billing start. Suspension: the vehicle stays on your account but is parked, usually against a monthly holding charge, with a few days' notice to resume — billing starts the day after the suspension notice arrives. Withdrawal: the vehicle leaves, which requires a return inspection (six photographs, odometer, on-board items, outstanding tickets) — billing runs to the date the inspection is signed. Swap: the count stays the same and only the model changes — billing starts from delivery of the new vehicle. Where reconciliation goes wrong is almost always the question of which day use stopped. You said "we will not need it next week"; the fleet bills from the day written notice arrived, you count from the day you said it, and a month can differ by a week. One action fixes it: send an email stating "suspended from X date", ask for a one-line confirmation, and keep the reply. That reply is both the billing basis and the only document that will settle an argument later.

3. Where a model swap stops being "equivalent"

Q3: Where does a model swap stop being "equivalent"?

"Equivalent model may be substituted" is the clause that causes most of the trouble, because the two sides read "equivalent" differently. Our fleet runs 22 models across 7 to 53 seats, and a change of seat class is a different vehicle category. A seven-seater moving to a nine-seater changes headcount, luggage volume, garage height clearance and driver requirements, so it cannot be handled as a like-for-like swap — it needs re-assessment and a contract annex naming the new model and seat count. A genuine "equivalent" swap stays inside one seat class: seven seats for another seven-seater, with the language "subject to models on the fleet register at delivery, seat count unchanged". One detail matters on the day: both vehicles should be present for handover — odometer, fuel or charge, on-board items checked on the outgoing car, then the same on the incoming one, with both sheets signed. Sign only the new sheet and the scratches on the old car will be charged to you at return, and by then "it was already like that when we swapped" is a hard sentence to defend.

4. How the bill is cut across a month boundary

Q4: How is the bill cut, and what goes wrong across a month boundary?

Three things settle it. First, a change-order number: every addition, reduction or swap gets one, and the bill references it, one order to one amount — never fold three changes into a single month-end statement, because finance cannot audit it and you cannot explain it. Second, the cut method: by day, with the days before and after the effective date billed separately, never by whole month; and daily cutting only works if the change order states the effective date rather than "around month end". Third, invoicing: where an invoice has already been issued, the difference is handled either by a credit note and reissue or by an adjustment the following month. The two are not the same for your finance team, so decide at the start of the month rather than discovering several open credit notes in December. The classic month-boundary error is the payment clock: a contract reading "30 days from invoice date" restarts that clock if a new invoice is issued, which moves your finance team's payment plan. Add one line to the change order: the payment term does not restart on change, unless otherwise agreed. Confirm the exact treatment with your own finance lead and tax adviser.

5. Where the extra vehicle comes from, and how to check it

Q5: Where does an extra vehicle come from, and how do you check it?

Three sources: an idle vehicle in the fleet, a new unit bought or moved in from another district, or a partner unit brought in when peak demand exceeds owned supply. The first two do not change how you verify anything; the third does. Check the registration document (is the vehicle registered to the contracting company), the insurance policy (who is the policyholder), and whether the contracting, invoicing and collecting entities match. A partner vehicle is usually registered to a different company. That does not make it unusable, but you should know in advance, because a claim runs differently and responsibility is divided differently from an owned vehicle. The check is simple: at delivery, ask the driver to photograph the registration document and the policy page; two sheets of paper answer it. Ask as well which yard the vehicle sits in and which dispatcher owns it — a vague answer is usually a partner unit. An owned fleet can name the yard and the dispatcher, and that is something you can verify on the spot.

6. Five records and a six-column change form