Sec. 3881.001. DEFINITIONS. In this chapter: (1) "Board" means the district's board of directors. (2) "Director" means a board member. (3) "District" means the Harris County Improvement District No. 13. Added by Acts 2009, 81st Leg., R.S., Ch. 247 (S.B. 2473), Sec. 1, eff. May 27, 2009.