四分律行事鈔資持記 2.1231

2.1231

初緣，律中下至一馬一車一步卒皆犯。第三，即下被請道斷等開。

First condition: in the Vinaya, down to one horse, one chariot, or one foot soldier, all constitute a violation. Third: this refers to the exceptions below, such as being invited or the road being blocked.