Passage
Digha Nikaya 16 (dn16:5.29.1)
pli dn
“Yo kho, subhadda, aññatitthiyapubbo imasmiṁ dhammavinaye ākaṅkhati pabbajjaṁ, ākaṅkhati upasampadaṁ, so cattāro māse parivasati. Catunnaṁ māsānaṁ accayena āraddhacittā bhikkhū pabbājenti upasampādenti bhikkhubhāvāya.