Section 12.3 - Applicability(a) The provisions of this part apply to all land, including Indian tribal land, in the 50 States, the District of Columbia, the Commonwealth of Puerto Rico, Guam, the Virgin Islands of the United States, American Samoa, and the Commonwealth of the Northern Mariana Islands.(b) The rules in this part are applicable to all current and future determinations on matters within the scope of this part. Nothing in these rules relieves any person of any liability under previous versions of these rules.(c) Notwithstanding paragraph (b) of this section, for the purpose of eligibility for Federal crop insurance premium subsidy for a policy or plan of insurance under the Federal Crop Insurance Act (7 U.S.C. 1501-1524 ), the provisions of this part apply to final HEL and wetland conservation determinations, including all administrative appeals, after February 7, 2014, on matters within the scope of this part.(1) For acts or situations of non-compliance or failure to certify compliance according to this part, ineligibility for Federal crop insurance premium subsidies will be applied beginning with the 2016 reinsurance year for any Federally reinsured policy or plan of insurance with a sales closing date on or after July 1, 2015. 80 FR 22879 , Apr. 24, 2015