Anything (such as cloth etc. bought for an ascetic) would be unacceptable to him; the same, if it is worn / used by some householder, however would become acceptable to the ascetic.
se bhikkhū......vatthaṃ......kīyaṃ...
aha puṇa evaṃ jāṇejjā-purisaṃtarakaḍaṃ...
phāsuyaṃ esṇijjaṃ ti maṇṇamāṇe lābhe saṃte paḍigāhejjā.
(ACūlā 5.11)
...yo dadāti tasmāt puruṣādaparaḥ puruṣaḥ puruṣāntaraḥ tatkṛtaṃ......'puruṣāntarakṛtam' anyārthaṃ kṛtaṃ......aviśodhikoṭiryathā tathā na kalpate, viśodhikoṭistu puruṣāntarakṛtātmīkṛtādiviśiṣṭā kalpate.
(ĀVṛ Pa 325,326)
mūlaguṇaduṣṭā tu puruṣāntarasvīkṛtāpi na kalpate.
(ĀVṛ Pa 361)