Subject to § 9–2102(b) of this subtitle, on and after October 1, 2018, a person that distributes or sells a compostable food or beverage product intended for sale or distribution by a retailer in the State shall ensure that the compostable food or beverage product is labeled: In a manner that is readily and easily identifiable from other food or beverage products; In a manner that is consistent with the federal Guides for the Use of Environmental Marketing Claims; and With a certification logo indicating the compostable food or beverage product meets the ASTM D6400 standard specification or ASTM D6868 standard specification; or As compostable. Subsection (a) of this section has effect only to the extent that the provision does not conflict with the federal Guides for the Use of Environmental Marketing Claims.