梵網經菩薩戒本疏 6.179

6.179

四、具緣者，亦四緣：一、身有戒，二、對犯境，三、故起心，四、作，便犯。

Fourth, on the fulfillment of conditions: also four conditions: (1) having the precepts in one's person; (2) facing the sphere of an offense; (3) intentionally giving rise to the thought; and (4) performing [the action]—one immediately commits an offense.