《元史·本纪·卷二十八》
流民回乡复业者，免除差役租税三年。
流民复业者，免差税三年。
Migrants who return to their hometowns to resume work shall be exempted from corvée and rent and taxes for three years.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 流民复业者，免差税三年。 [/INST] Migrants who return to their hometowns to resume work shall be exempted from corvée and rent and taxes for three years.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 流民复业者，免差税三年。
user
Migrants who return to their hometowns to resume work shall be exempted from corvée and rent and taxes for three years.
assistant