In this regulation, the following terms have the meanings indicated. Terms Defined. “Locally-constructed relocatable classroom” means a relocatable classroom that is constructed at the school site. “Model Performance Code” means the construction standards stated in COMAR 09.12.50.03: “Pre-manufactured unit” means a relocatable classroom that is constructed off-site and transported to the school site. “Relocatable classroom” means a classroom unit that is capable of being disconnected and transported from one school site and reinstalled at another school site. All relocatable classrooms used for student instruction at public schools must conform to Indoor Environmental Quality Standards that meet the Maryland Green Building Council International Green Construction Code (IgCC) Supplement, Chapter 8, Section 801 through 806, which is incorporated by reference; and One of the following: The Model Performance Code for pre-manufactured units; or Local building codes for locally-constructed relocatable classrooms. This chapter does not apply to relocatable classrooms constructed before July 1, 2015. Education Article, §5-303(b), Annotated Code of Maryland Effective date: September 28, 2015 (42:19 Md. R. 1229) COMAR 23.03.06 recodified to be COMAR 14.39.06 under new subtitle, Interagency Commission on School Construction, effective November 4, 2019 (46:22 Md. R. 979)