(a) Except as provided by subsection (b) of this section, all beverages and snack foods provided by or sold in public schools, public charter schools, and participating private schools or provided by organizations participating in the Afterschool Meal Program, whether through vending machines, fundraisers, snacks, after-school meals, or other means, shall meet or exceed the Standard described in 7 C.F.R. § 210.11(c)-(m).