The ministry has published the draft rules on its website and is welcoming public feedback, including proposed changes, until May 13.
The ministry also said in a statement later on Friday that China has lodged a tariff case against the US with the WTO.
The ministry said more than 580,000 cases have been concluded. The average processing time was 22 days, and among them 70 percent of the cases last year were found to be valid tips.
The mega-sized deal comes at a delicate time, as escalating Sino-US trade tension casts a shadow over the city's stock market and the lukewarm performance of high-profile companies including Ping An Good Doctor and Xiaomi dampens investor enthusiasm.
The massive second-quarter drop in GDP was due to "measures that were implemented from 7 April to 1 June to slow the spread of COVID-19, which included the suspension of non-essential services and closure of most workplace premises," the ministry said in a statement.
The meeting stressed traffic flow was heavy, and road transport safety risks were high during the holiday, with high risks of rear-end collision on expressways and more accidents involving private vehicles such as motorcycles.
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The ministry is also exploring the possibility of taxing other pollutants, including carbon dioxide, and "when conditions permit, the scope of this law will be broadened", he said.
The meeting was attended by Premier Li Keqiang in 2015 and by Vice-President Li Yuanchao last year.
The meeting discussed major obstacles and plans for the freight service, including a work plan for next year and a way to implement rules for cooperation.
The memorandum is based on a Section 301 investigation, launched by the Trump administration in August 2017, into alleged Chinese intellectual property and technology transfer practices.