4 Tex. Admin. Code § 21.67
(a) The following records of certified budwood purchases must be maintained by a certified citrus nursery for a minimum of four years:
(b) The following records of certified citrus nursery stock sales or distribution must be maintained by a certified citrus nursery for a minimum of four years:
(c) For each mandatory treatment applied pursuant to §19.622 of this title (relating to Mandatory Treatment of Citrus Nursery Plants in the Citrus Zone), records shall be maintained by the nursery for four years following the last treatment date for a given lot of regulated articles. Required records for each mandatory treatment shall include, but are not limited to:
Source Note:The provisions of this §21.67 adopted to be effective December 31, 2015, 40 TexReg 9626.