Constitution of the Republic of China (Taiwan) Article 147

The Central Government, in order to attain balanced economic development among the provinces, shall give appropriate aid to poor or unproductive provinces.The provinces, in order to attain balanced economic development among the hsien, shall give appropriate aid to poor or unproductive hsien.
中文原文 中華民國憲法第147條
中央為謀省與省間之經濟平衡發展,對於貧瘠之省,應酌予補助。
省為謀縣與縣間之經濟平衡發展,對於貧瘠之縣,應酌予補助。

English translation for reference only; the Chinese text prevails. Not legal advice.