CFR›Title 7›Subtitle B›Chapter VI›Part 613 ContainsSections 613.1–613.5CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 613—PLANT MATERIALS CENTERS Sections 613.1 § 613.1 Purpose. 613.2 § 613.2 Policy and objectives. 613.3 § 613.3 NRCS responsibilities in plant materials. 613.4 § 613.4 Special production of plant materials. 613.5 § 613.5 PMCs. Authority16 U.S.C. 590a-590f, 5908; 7 U.S.C. 1010-1011.Source73 FR 51351, Sept. 3, 2008, unless otherwise noted. Previous 612 Part 612—Snow Surveys and Water Supply Forecasts Next 614 Part 614—NRCS Appeal Procedures