佛說目連問戒律中五百輕重事經 2.5

2.5

問：「小衣得著燒香上講不？」答：「無中衣得。若不近身體，淨潔亦得。」

Question: "May one wear the antarvāsaka when burning incense or ascending the teaching seat or not?"
Answer: "If one lacks an uttarāsaṅga, one may. If it does not touch the body directly and is clean, it is also permissible."