Tax-free shopping on Hainan outlying islands can be purchased and picked up immediately, the birth medical certificate updated, and 66 stations across the country directly reach Hong Kong... From April, a number of new regulations affecting our lives will be officially implemented. The General Administration of Market Supervision has issued four supporting regulations of the antimonopoly law, namely, the "Provisions on Preventing the Abuse of Administrative Power to Eliminate and Restrict Competition", the "Provisions on Prohibiting Monopoly Agreements", the "Provisions on Prohibiting the Abuse of Market Dominant Position", and the "Provisions on the Examination of Concentration of Business Operators", which will be implemented as of April 15, 2023. The seventh edition of the birth medical certificate will be launched on April 1st, and China will launch the seventh edition of the birth medical certificate. The sixth edition of the birth medical certificate was issued as of March 31 this year. The seventh edition of the birth medical certificate has changed the representation of the "birth medical certificate number" on the front page, the side page, and the stub of the sixth edition of the birth medical certificate from "1 letter 9 digits" to "1 letter 9 digits barcode", and changed the background color of this area from green to yellow. "Guarantee Upon Delivery" and "Purchase Upon Delivery" are available for duty-free shopping in Hainan outlying islands. According to the Announcement on Adding "Guarantee Upon Delivery" and "Purchase Upon Delivery" Delivery Methods for duty-free shopping in Hainan outlying islands, two new delivery methods, "Guarantee Upon Delivery" and "Purchase Upon Delivery", will be added from April 1. When purchasing duty-free goods at a duty-free store in Hainan with valid identity documents or travel documents and information from outlying islands, passengers from outlying islands can choose the "guarantee and pick up" method for duty-free goods with a unit price exceeding 50000 yuan, and can choose the "buy and pick up" method for duty-free goods with a unit price not exceeding 20000 yuan and included in the list. The new version of the "Sanitary Standard for Drinking Water" will be implemented from April 1, and China will implement the latest version of the "Sanitary Standard for Drinking Water". The new standard's detection indicators will be adjusted from 106 items in the old standard to 97 items, while the data limits of 8 indicators will be adjusted. Compared with the old version of the standard, the new national standard pays more attention to water quality safety and adjusts the indicator limit value; Pay attention to risk changes, strengthen attention to new pollutants, and accurately control water quality; Focusing on the feeling of using water and adding sensory indicators are conducive to improving the feeling and comfort of using water. "To better serve China's economic and social development and accelerate the recovery of cultural and tourism exchange activities, it has been studied and decided that as of April 1, 2023,", The cultural and tourism administrative departments at all levels can resume the approval of visiting groups for external cultural and tourism exchanges according to work needs. Starting from April 1, the railway department will gradually increase the number of cross-border high-speed trains running on the Guangzhou-Shenzhen-Hong Kong high-speed railway from 102 to 164 per day, with 66 stations connecting directly to Hong Kong's West Kowloon Station. (Liao Xinshe)