Section 2(1)(z) in Punjab Urban Planning and Development Authority Building Rules, 2013
(z)"independent floors" means a building used or intended to be used for residential purpose, where every floor of the building is a separate and independent dwelling unit;(za)"industrial building" means a building used or constructed or adapted to be used either ordinarily or occasionally for fabrication, assembly, manufacturing or processing of products or materials of all kinds;(zb)"Information Technology and Information Technology enabled services (IT and ITES) building" means a building used or constructed or adapted to be used for Software architecture design and development, software maintenance and implementation, operation of software systems, provision of software services, management of data bases, maintenance of computer networks and telecommunication net works, net work services, network administration, business process out sourcing or providing information technology enabled services.