Passage
Digha Nikaya 8 (dn8:24.1)
pli dn
“Yo kho, kassapa, aññatitthiyapubbo imasmiṁ dhammavinaye ākaṅkhati pabbajjaṁ, ākaṅkhati upasampadaṁ, so cattāro māse parivasati, catunnaṁ māsānaṁ accayena āraddhacittā bhikkhū pabbājenti, upasampādenti bhikkhubhāvāya.