Share Workers collect rubbish in Kakab commune in Phnom Penh’s Por Sen Chey district last week. Heng Chivoan Capital maintains waste collection tariffs, payment methods Sat, 10 July 2021 The Phnom Penh Municipal Administration said it will maintain tariffs for rubbish and solid waste collection services and retain pre-payment methods for this year. In an announcement dated July 9, it said pre-payment can be made for a period of six months – July-December. All residents, businesses and private institutions can use their customer identification number to make payments through their mobile phone, agents of electronic payment service providers or partner banks’ mobile apps during the transition period.