lawu 88What is Local Law 88 (LL88132234)? Local law 88 of 2009 (LL88), as amended, requires certain building owners to upgrade lhting systems and install electrical sub-meters in tenant spaces.What is Local Law 88 (LL88132234)? Local law 88 of 2009 (LL88), as amended, requires certain building owners to upgrade lhting systems and install electrical sub-meters in tenant spaces.