《旧唐书·本纪·卷十九》
安南辖区内凡是被蛮贼驱赶、劫掠的地方，当地住户春秋两税和丁口钱等赋税均酌情免收两年，待收复该地方后另做安排。
安南管内被蛮贼驱劫处，本户两税、丁钱等量放二年，候收复后别有指挥。
In the areas within the jurisdiction of Annan where the savage bandits drove and plundered, the taxes of the local residents in spring and autumn and the poll tax shall be exempted for two years where appropriate, and other arrangements shall be made after recovering the place.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 安南管内被蛮贼驱劫处，本户两税、丁钱等量放二年，候收复后别有指挥。 [/INST] In the areas within the jurisdiction of Annan where the savage bandits drove and plundered, the taxes of the local residents in spring and autumn and the poll tax shall be exempted for two years where appropriate, and other arrangements shall be made after recovering the place.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 安南管内被蛮贼驱劫处，本户两税、丁钱等量放二年，候收复后别有指挥。
user
In the areas within the jurisdiction of Annan where the savage bandits drove and plundered, the taxes of the local residents in spring and autumn and the poll tax shall be exempted for two years where appropriate, and other arrangements shall be made after recovering the place.
assistant