《宋史·本纪·卷三十》
十一日，任命李椿年代理户部侍郎，仍管理经界。
庚寅，以李椿年权户部侍郎，仍治经界。
The 11th, appointed Li Chunnian to act as Assistant Minister of the Ministry of Revenue and continue to manage the boundaries.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 庚寅，以李椿年权户部侍郎，仍治经界。 [/INST] The 11th, appointed Li Chunnian to act as Assistant Minister of the Ministry of Revenue and continue to manage the boundaries.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 庚寅，以李椿年权户部侍郎，仍治经界。
user
The 11th, appointed Li Chunnian to act as Assistant Minister of the Ministry of Revenue and continue to manage the boundaries.
assistant