CA Food & Agric Code Section 29615

All extracted honey regardless of grade term as marked, shall be free from serious damage and at least as free from excessive foreign material as honey that has been strained through standard bolting cloth of 23 meshes per inch. Serious damage means any injury or defect that seriously affects the appearance or edibility of the honey such as any of the following:

(a)

Overheating, which destroys both natural color and flavor.

(b)

Fermentation, which causes either foam or sourness, or both.

(c)

Objectionable flavor from any substance or thing other than floral source.