What does "Lian Chang" mean (from Zeng Guopan's "Blood Sacrifice")

札鬬lianchang

札鬬 (札鬬) zhá chì

1. Write a letter to reprimand. Generally used between elders and younger generations. 2. In the old days, superiors in government issued instructions to subordinates. 3. Refers to the official instructions issued by superiors to subordinates in the old government.

(Original text from) Zeng Guofan - Blood Sacrifice

(Original text) Yan Zhongwu’s matter was reported a month ago, and I also ordered Lian Chang to investigate closely. Unexpectedly, Lian Chang reported that Yan Zhongwu worked hard in managing the water camp, always helped the government, was loyal and reliable, and requested to quell the slander and reward Yan.

(To the effect) Someone had reported Yan Zhongwu a month ago , I sent an official letter instructing Lian Chang to conduct strict inspections.

Unexpectedly, Lian Chang reported that Yan Zhongwu worked hard in running the water camp, always helped the government, and was loyal and reliable. Please seek to quell the slander and reward Yan Moumou...