CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart II›Subject Group Definitions›7 CFR 51.3203 Citation7 CFR 51.3203CorpusDaily eCFRDisplayed edition2026-06-02Last updated2026-06-02 § 51.3203 Mature.Mature means that the onion is fairly well cured, and at least fairly firm. Previous 51.3202 § 51.3202 Similar varietal characteristics. Next 51.3204 § 51.3204 Fairly firm.