Sinitic languages other than Mandarin Chinese, such as Taiwanese and Hakka) could not account for more than 55 % of total programming. The broadcast regulations promulgated in 1976 went one step further--AM stations had to air a minimum of 50 % Mandarin programming, while FM stations were required to air a minimum of 70 %.
六十五年「廣播電視法」公佈後，其施行細則進一步限制，電台應用國語的比例，調幅台不得少於百分之五十五，調頻台不得少於百分之七十。