During the 1st May 2015 and the 30th April 2016, participants who successfully applied to receive Electronic Water Bill through “Secure Electronic Postal Box – SEPBox” will immediately get MOP$20 water charges rebate and eligible for lucky draws, and have chances of winning prestige philatelic album (A prestige stamp album collects one set of all stamps and souvenir sheets issued by Macao Post from the establishment of Macao Special Administrative Region to 2014), please visit http://seps.macaupost.gov.mo/waterbill for details.