http://www.legislation.gov.uk/ukpga/1972/52/section/97BATown and Country Planning (Scotland) Act 1972 (repealed 27.5.1997)An Act to consolidate certain enactments relating to town and country planning in Scotland with amendments to give effect to recommendations of the Scottish Law Commission.texttext/xmlenStatute Law Database2017-02-07Expert Participation2014-06-30 Part V97BA1A planning authority may waive or relax any requirement of a hazardous substances contravention notice issued by them and, in particular, may extend any period specified in accordance with section 97B(5)(b) of this Act in the notice.2The powers conferred by subsection (1) of this section may be exercised before or after the notice takes effect.3The planning authority shall, immediately after exercising those powers, give notice of the exercise to every person who has been served with a copy of the hazardous substances contravention notice or would, if the notice were re-issued, be served with a copy of it.Act repealed (27.5.1997) by 1997 c. 11, ss. 3, 6(2), Sch. 1 Pt. I (with s. 5, Sch. 3)S. 97B and crossheading inserted (18.2.1993 for certain purposes, otherwise 1.5.1993) by Housing and Planning Act 1986 (c. 63, SIF 123:2), s. 36; S.I. 1993/273, arts.3, 5Ss. 97BA-97BC inserted (1.5.1993) by Planning and Compensation Act 1991 (c. 34, SIF 123:2), s. 57, Sch. 10 para.11 (with s. 84(5)); S.I. 1993/275, art.3Pt. V excluded by Local Government, Planning and Land Act 1980 (c.65), Sch. 17 para. 8(2)