Restraint of Joist Bottoms

(1)  Except as provided in Sentence 9.23.9.4.(1), bottoms of floor joists shall be restrained from twisting at each end by toe-nailing to the supports, end-nailing to the header joists or by providing continuous strapping, blocking between the joists or cross-bridging near the supports.

Article 9.23.9.3. Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.