|(a) Propagation of citrus plants shall be in facilities
certified by the Department in accordance with the citrus nursery
stock facility certification requirements as defined in Subchapter
D of this chapter (relating to Citrus Nursery Stock Certification
(b) Citrus plant propagation shall be:
(1) With certified citrus budwood; or
(2) In accordance with §21.38 of this chapter
(relating to Recordkeeping Requirements); or
(3) From noncommercial citrus varieties, as provided
in §21.39 of this chapter (relating to Designated Commercial
Fruit Production Varieties), and tested in accordance with the "Survey
Protocol in Exclusionary Facilities for the Interstate Movement of
Citrus and Other Rutaceous Plants for Planting from Areas Quarantined
for Citrus Greening, Asian Citrus Psyllid, and Citrus Canker"
developed by the CPHST Plant Epidemiology and Risk Analysis Laboratory
of the Plant Protection and Quarantine branch of USDA-APHIS-PPQ.
(4) Exception. Citrus plants grown or propagated for
sale outside the Citrus Zone, as described in §21.4 of this chapter
(relating to Citrus Zone), before January 1, 2018, shall not be required
to be grown in accordance with the citrus nursery stock facility certification
requirements as defined in §21.61 of this chapter (related to
Facility Structural Requirements), until sold out or required to be
disposed of by the Department.