Most licensing agreements involve two related but distinct concepts: a minimum guarantee (a fixed amount owed regardless of sales performance) and an earned royalty (a percentage of actual sales). Treating them as interchangeable, or failing to track them against each other properly, is one of the most common — and most expensive — mistakes in royalty accounting.

Where the confusion starts

Early in a contract term, earned royalties are often below the minimum guarantee, so the guarantee is what's actually owed. Later in the term, earned royalties can exceed the guarantee. A finance process that doesn't explicitly track both figures side by side, period over period, can easily misstate what's actually due — in either direction.

What proper tracking requires

Get this wrong and the risk runs in both directions — either underpaying a minimum guarantee obligation, or overstating royalty expense against actual performance. Neither is the kind of finding you want a licensor's audit, or your own year-end close, to surface first.