《明史·志·卷六十九》
在京城的士卒中，无差使的和按条例难以如实行刑的人，犯了笞杖之罪也命其做工。
其在京军丁人等，无差占者与例难的决之人，笞杖亦令做工。
Among the soldiers in the capital, those without errands and those who were difficult to perform criminal punishments according to the regulations, commit the crime of caning were also ordered to work.