Complex sentence: On March 3,2003, President Gloria Macapagal-Arroyo issued Presidential Proclamation No.337 designating the Santa María Industrial Park as a Special Economic Zone (Ecozone).
Split into simpler sentences: On March 3,2003, President Gloria Macapagal-Arroyo issued Presidential Proclamation No.337 designating the Sta. Maria Industrial Park as a Special Economic Zone (Ecozone).