Legal basis: People's Republic of China (PRC) General Language Law.
Article 9 State organs use Putonghua and standardize Chinese characters. Except as otherwise provided by law.
Thirteenth public service industry to standardize Chinese characters as the basic service words. Signboards, advertisements, notices, signs, etc. to meet the needs of public services. If both foreign languages and Chinese are used, standardized Chinese characters should be used.
Advocate the public service industry to use Putonghua as the service language.
Fifteenth information processing and information technology products used in the national common language should comply with national norms and standards.
Article 18 The Chinese Pinyin Scheme is a spelling and phonetic tool for the national common language.