TSA Renegotiation
True up settlements never landing in your favor? Reset the terms.
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The TSA true up process is the periodic reconciliation of what was billed against what services actually cost, and it is where a quiet credit or an unwelcome charge finally lands. Many transition agreements invoice on estimates or a fixed monthly fee to keep cash moving, then settle the difference later. Treating the settlement as an afterthought is how buyers leave money on the table, which is why the true up belongs at the center of disciplined TSA cost reduction.
A true up is the moment a TSA reconciles what it charged against what the services actually cost and how much was actually consumed. Most agreements cannot bill the true number in real time, because the seller does not close its books fast enough to invoice on actual cost each month. So it bills an estimate, a budgeted rate, or a fixed monthly fee, and agrees to settle the difference at a defined point.
The settlement runs in one of two directions. If the estimates ran above the actuals, the buyer is owed a credit. If they ran below, the buyer faces an additional charge. The true up is simply the accounting that closes the gap between the running estimate and the eventual truth.
This is routine in principle and treacherous in practice. The buyer paid against numbers the seller set, the reconciliation is built from data the seller holds, and the settlement arrives as a summary that is hard to challenge after the fact. Without preparation, the buyer accepts whatever number the process produces.
The risk in a true up is set the day the estimate is agreed. If the seller sets monthly estimates high, the buyer overpays through the period and is owed a credit at settlement. That credit is only recovered if the buyer pursues it, and a seller is under no commercial pressure to hand back money the buyer has not asked for. Many credits are simply never claimed.
If the estimate is set low, the danger runs the other way. The buyer pays a comfortable monthly figure, builds it into the budget, and then meets a large catch up charge at true up that was never planned for. The cash impact is real and the timing is rarely convenient. A low estimate is not a saving, it is a deferred bill.
Either way, the buyer who does not track actuals through the period is reacting to a number rather than controlling it. The true up should confirm what the buyer already knows from its own records, not reveal a figure it has no way to test.
The true up is won or lost in the agreement. A buyer should insist that the mechanism is defined before signing, not left to be worked out when the first settlement falls due. Four points matter most. The basis must state that reconciliation is to actual incremental cost and actual volume, not to a revised allocation. The cadence must be fixed, whether quarterly or at exit, so neither side can stall.
The documentation the seller must provide should be spelled out, including the build up behind each reconciled charge, so the buyer receives evidence rather than a one line summary. And there must be a deadline for the seller to issue the true up, with a clear consequence if it lapses, so an unfavorable settlement cannot be buried by simply never producing it.
These terms are exactly the kind of detail a pre-signing review exists to catch. A vague true up clause looks harmless on the page and becomes expensive in practice, because every ambiguity at signing becomes the seller's advantage at settlement. Pin the mechanism down while there is still leverage to do it.
The single most effective control is to run a parallel record of actual consumption every month. When the buyer tracks the volumes it genuinely used, against the rates the agreement sets, it carries its own estimate of where the true up will land long before the seller produces one. The settlement then becomes a confirmation rather than a revelation.
This is where a maintained cost model and disciplined charge validation pay off directly. Each validated invoice and each variance against the plan feeds the running picture, so the buyer can predict a credit and pursue it, or see a catch up charge forming and provision for it. The work done every month is what makes the settlement controllable at the end.
Reconcile the seller true up against this internal number, not the other way around. When the seller settlement and the buyer model diverge, the model is the reference point and the seller carries the burden of explaining the difference. A buyer that arrives at the true up with its own evidence negotiates from strength.
When the true up arrives, it should run through the governance process rather than being settled informally between finance teams. Every reconciled line gets the same test as a monthly invoice: is the service in scope, is the rate correct, does the volume match, and is the basis actual cost. A line that cannot be supported is held and logged before any settlement is paid.
Timing protects the buyer. A credit confirmed before payment is recovered cleanly. A disputed charge held before payment keeps the money in the buyer's hands while the question is resolved. The buyer that accepts the settlement first and raises concerns afterward has surrendered its strongest position, because clawing back a paid amount is far harder than withholding a contested one.
Where a true up reveals a pattern of inflated estimates or unsupported reconciliations, the issue is no longer a single settlement. It is a sign the terms themselves are working against the buyer, and a structured renegotiation of the pricing and the true up mechanism is usually the cleaner remedy than fighting each settlement as it comes.
A TSA true up is the periodic reconciliation of charges billed during a period against the actual cost and volume of services delivered. Where the agreement bills on estimates or a fixed monthly fee, the true up settles the difference. It results in a credit to the buyer or an additional charge, depending on which way the actuals landed.
Because many TSA charges are billed before the actual cost is known. Monthly invoices often run on estimated volumes or budgeted rates to keep cash flowing, then the true up corrects them against what actually happened. Without it, the buyer pays the estimate forever and never recovers the gap when consumption came in lower than billed.
It depends on how the estimates were set, and that is the point a buyer should watch. Estimates set high by the seller produce a credit at true up, but only if the buyer pursues it. Estimates set low produce a surprise charge. A buyer that tracks actuals through the period knows the direction long before the settlement arrives.
Define the true up mechanism in the agreement, including the basis, the cadence, the documentation the seller must provide, and a deadline. Track actual consumption every month so the settlement is never a surprise. Reconcile against the buyer cost model rather than the seller summary, and dispute any line that cannot be supported before the settlement is paid.
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