(a) This chapter applies only to real estate that is commercial real estate on the date the notice of lien is filed under this chapter.
(b) This chapter does not apply to:
(1) a transaction involving a claim for a commission of $2,500 or less in the aggregate; or
(2) a transaction for the sale of commercial real estate involving a claim for a commission of $5,000 or less in the aggregate if the commercial real estate:
(A) is the principal place of business of the record title owner;
(B) is occupied by more than one and fewer than five tenants; and
(C) is improved with 7,500 square feet or less of total gross building area.
Official text of the Texas Property Code as published by the Texas Legislative Council.