唐玄宗時對律令格式有過三次大的修定,史籍記載比較清楚,但亦有一些細節需要考證。本文延續之前幾篇的做法,先進行編年考證,然後就其中的若干問題予以探討。編年考證所用主要資料,與此前一樣,用簡稱替代,即《舊紀》——《舊唐書》卷八至卷九《玄宗本紀上下》;《舊志》——《舊唐書》卷五○《刑法志》;《會 When Emperor Xuanzong had three major revisions to the legal order format, historical records were clearer, but there were also some details that needed research. This article extends the practice of the previous articles, first chronological research, and then on some of the issues to be explored. Chronological research used the main data, as before, with the abbreviation of the alternative, that is, “old” - “Old Tang” Volume VIII to Volume IX “Xuanzong this book from top to bottom”; “Old Chi” - “Old Tang book” Fifty “Criminal Law”; "will