Additive not formulated for this wax
Stearic acid, vybar, microcrystalline, and other additives are formulated for specific wax chemistries. Using them outside their intended wax can cause frosting, poor adhesion to the vessel, or no measurable benefit. The rule fires when an additive's manufacturer-listed wax compatibility does not include the recipe's wax kind.
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
This rule is editorial. It reflects working chandler practice rather than a single primary regulation. See the related guides for the background.
Editorial content, not legal advice. Verify against the current text of the regulation before commercial sale.