4.20 Application of standards 4.21 The standards of identity 4.22 Blends, cellar treatment alteration of class or type 4.23 Varietal (grape type) designations 4.24 Generic, semi-generic and non-generic designations of geographic significance 4.25 Appellations of origin 4.26 Estate bottled 4.27 Vintage wine 4.28 Type designations of varietal significance §4.20 Application of standards The standards of identity for the several classes and types of wine set forth herein shall be applicable to all regulations and permits issued under the act. Whenever any term for which a standard of identity has been established herein is used in any such regulation or permit, such term shall have the meaning assigned to it by such standard of identity. §4.21 The standards of identity Standards[…]