DTI-DA-DOH-DENR-DOE Joint Administrative Order No. 13-1, s. 2013
Amendments to the DTI, DA, DOH, DENR Joint Administrative Order No. 1. series of 1993 (JAO 1, s. 1993) otherwise known as the Implementing Rules and Regulations of Republic Act No. 7581 (Price Act)
Date of Issuance – December 16, 2013