4 Process to establish significant pyritic damage where sampling and testing was undertaken prior to the commencement of these Regulations

(1) A Building Condition Assessment shall be carried out by a competent person in accordance with I.S. 398-1:2013.

(2) Subject to paragraph (3), where sampling and testing of the sub-floor hardcore material in a residential property has been carried out prior to the commencement of these Regulations, the results from the testing may be used to classify the sub-floor hardcore material of that property having regard to I.S. 398-1:2013 if they satisfy the requirements of paragraph (3).

(3) For the purpose of paragraph (2), the results from the testing of the sub-floor hardcore material of a residential property may be used to classify the hardcore material if the testing that has been carried out is equivalent to, or in accordance with, the test methods provided in I.S. 398-1:2013, and this has been validated as such by a competent person.