(a) Definition. Foliar sprays are products that are applied to the leaves of plants and provide plants with nutrients. These products may also repair plants from previous pest attacks. Examples include liquid fertilizers, foliar feeds, and micronutrient solutions.

(b) Minimum biobased content. The Federal preferred procurement product must have a minimum biobased content of at least 50 percent, which shall be based on the amount of qualifying biobased carbon in the product as a percent of the total organic carbon in the finished product.

(c) Preference compliance date. No later than July 6, 2020, procuring agencies, in accordance with this part, will give a procurement preference for qualifying biobased foliar sprays. By that date, Federal agencies responsible for drafting or reviewing specifications for products to be procured shall ensure that the relevant specifications require the use of biobased foliar sprays.