7 Pa. Code § 93.5
Upon opening a controlled atmosphere storage room or at the time of shipment, controlled atmosphere apples shall meet the 5%-tolerance requirement of United States Condition Standards For Export (7 CFR 51.323), as amended or revised, except that after May 31 following the year of production, an additional tolerance of 15% shall be allowed for ripe apples. Not more than one-tenth of this 20% total, or 2%, shall be allowed for over-ripe apples.
This section cited in 7 Pa. Code § 93.6 (relating to marking).