Pursuant to the Decision on Approval of the Croatian Energy Regulatory Agency - HERA (Class: 310-34/18-06/64, Reg: 371-01-18-3), from May 29, 2018, the Gas storage system operator - Podzemno skladište plina Ltd. – adopted the new Storage Code – 5^th ed. which is published in the Official Gazette No. 50/2018 from June 1, 2018.