(a) General. Quarantined articles originating from quarantined areas are prohibited entry into or through the free areas of Texas, except as provided in subsections (b) and (c) of this section.(b) Exemptions. Movement of regulated articles used for experimental and scientific purposes is exempt from these rules provided the researcher obtains a permit from the department.(c) Exceptions. Quarantined articles from any quarantined area of this state or any state are allowed entry into or through the free areas of Texas provided that the articles:(1) are free of the Formosan termite in any stage of development; or(2) were fumigated or treated in another manner prescribed by the department and proof of the treatment accompanies the articles.