Pratimoksha of the Dharmaguptakas 1.52

1.52

「若比丘！居士、居士婦，為比丘辦衣價，買如是衣與某甲比丘，是比丘先不受自恣請，到居士家，作如是說：『善哉居士！為我買如是如是衣與我，為好故。』若得衣者，尼薩耆波逸提。

If a householder or his wife shall have collected money in order to provide a robe for a particular monk, and if this monk, before receiving it, and without any invitation, go to the house of the master of the family, and speak thus to him, “Excellent householder! purchase such and such a robe and give it me, because it is good!” If he obtain his request, it is nissaggiya pācittiya.