Pour temperature below wax's published range
Every container wax has a tested pour range published by the manufacturer. Pouring below the minimum causes the wax to skin against the vessel wall before it can level, leaving wet spots (glass adhesion failures), frosting, sinkholes around the wick, and patchy scent distribution because the fragrance never gets the time it needs to bind into the wax matrix. The rule fires when the pour temperature is below the wax's published minimum; it escalates to danger when the gap is 8°C or more.
What this means for your recipe
When this rule fires the recipe loses 15 points and drops a band. Worth addressing before selling. The same rule fires every time the underlying condition is true, so the way to lift the score is to change the recipe, not the rule.
Primary sources
Editorial content, not legal advice. Verify against the current text of the regulation before commercial sale.