《旧唐书·本纪·卷十七》
十二日，吏部上奏 ：去年所修订的长定选格，与以往旧例不同，对人颇不方便，不可长期施行，请还是用旧格。 
庚子，吏部奏： 去年所修长定选格，或乖往例，颇不便人，不可久行，请却用旧格。 
On the twelfth, the Ministry of Personnel submitted a memorial: "The Changding Selection Criteria revised last year is different from previous precedents, and is quite inconvenient for people. It cannot be implemented for a long time, so please continue to use the old criteria." 
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 庚子，吏部奏： 去年所修长定选格，或乖往例，颇不便人，不可久行，请却用旧格。  [/INST] On the twelfth, the Ministry of Personnel submitted a memorial: "The Changding Selection Criteria revised last year is different from previous precedents, and is quite inconvenient for people. It cannot be implemented for a long time, so please continue to use the old criteria." </s>
Identify the key themes in this Classical Chinese text and explain them in English: 庚子，吏部奏： 去年所修长定选格，或乖往例，颇不便人，不可久行，请却用旧格。
user
On the twelfth, the Ministry of Personnel submitted a memorial: "The Changding Selection Criteria revised last year is different from previous precedents, and is quite inconvenient for people. It cannot be implemented for a long time, so please continue to use the old criteria."
assistant