Padma Purana · Chapter 4.19

śaunaka uvāca/
ajñānātprāśya viṇmūtraṃ surāṃ saṃspṛśya vā punaḥ /
yathā śuddhirbhavetteṣāṃ kathayāmi śṛṇu dvija

prājāpatyadvayaṃ kuryyāttīrthābhigamanaṃ mune /
vṛṣaikādaśagodānaṃ saśikhaṃ vapanaṃ tataḥ

gatvā catuṣpathaṃ sarvaṃ prājāpatyavrataṃ tathā /
godvayaṃ tu tato dadyātpaṃcagavyaṃ pibettataḥ

brāhmaṇānbhojayitvā tu śuddhyatyatra na saṃśayaḥ /
cāṃḍālānnaṃ jalaṃ caiva jñānato'pi vipattiṣu

yadi bhuṅkte naraḥ kaścitkṛcchraṃ cāṃdrāyaṇaṃ caret /
saśikhaṃ vapanaṃ kṛtvā paṃcagavyaṃ tataḥ pibet

ekadvitricaturgāvo deyādvipreṣvanukramāt /
vṛṣalānnaṃ sūtakānnaṃ abhojyānnaṃ jalaṃ ca vai

śūdrocchiṣṭaṃ yadā bhuṃkte jñānato vā vipattiṣu /
prājāpatyadvayaṃ kuryāccāṃdrāyaṇatrayaṃ tathā

godvayaṃ tu tato dadyātpaṃcagavyaṃ pibeddvija /
hutvā hyagnau bahūnviprānbhojyaśuddho bhaveddhruvam

ākhunakulamārjjārairannaṃ cedbhakṣitaṃ dvija /
tiladarbhodakaiḥ prokṣya śuddhyatyeva na saṃśayaḥ

palāṃḍuṃ laśunaṃ śigrumalābuṃ gṛṃjanaṃ palam /
bhuṃkte yo vai naro brahmanvrataṃ cāṃdrāyaṇaṃ caret

madyamāṃsapriyaṃ śūdraṃ nīcakarmmānuvarttanaiḥ /
taṃ śūdraṃ varjayedvipra śvapākamiva dūrataḥ

dvijasevānuraktā ye madyamāṃsavivarjitāḥ /
dāna svakarmmaniratāste jñeyā vṛṣalottamāḥ

ajñānādbhuṃjate vipra sūtake mṛtake yadi /
gāyatrīdaśabhirvipraḥ sahasraiśca śucirbhavet

sahasraiḥ kṣatriyaścaiva vaiśyaḥ paṃcasahasrakaiḥ /
paṃcagavyairbhavecchuddho vṛṣalo'pi tapodhana

ājyaṃ tu toyaṃ nīcasya bhāṃḍasthaṃ dadhi yaḥ pibet /
ajñānato'pi yo varṇaḥ prājāpatyavrataṃ caret

dānaṃ bahutaraṃ dadyācchuddho hyagnau yathāvidhi /
śūdrāṇāṃ nopavāso'pi dānenaiva viśuddhyati

saśikhaṃ vapanaṃ kuryādahorātropavāsataḥ /
nīcairdaṃḍādibhiścaiva tāḍito yo naro dvija

prājñāpatyavrataṃ kuryyāccāṃdrāyaṇavrataṃ tu vā /
saśikhaṃ vapanaṃ caiva paṃcagavyaṃ pibettataḥ

godvayaṃ tu tato dadyādagnau cānnādikaṃ hutam /
madyapānaṃ gṛhe vipra jñānato'pi yadṛcchayā

yadi bhuṃkte naraḥ kaścitpātyaḥ so'pi kulānnaraḥ /
gobījahaṃtā yo vipracchedakaśca dalasya ca

svarṇasteyī bhavetkṛcchraṃ prājāpatyatrayaṃ caret /
saśikhaṃ vapanaṃ kṛtvā paṃcagavyaṃ tathā pibet

yathāvidhihutaṃ cāgnau dadyāddhenutrayaṃ tathā /
tasya bhuktaṃ jalaṃ caiva grāhyaṃ syādvai tapodhana

prātastryahaṃ tu cāśnīyātryahaṃ sāyamayācitam /
tryahaṃ caiva tu nāśnīyātprājāpatyamidaṃ vratam

gomūtraṃ gomayaṃ kṣīraṃ dadhisarpiḥ kuśodakam /
dinadvayaṃ pibedvipra caikarātramupoṣitaḥ /
sarvapāpaharaṃ kṛcchraṃ mune sāṃtapanaṃ smṛtam

grāsaṃ tryahaṃ tu caikaikaṃ prātaḥsāyamayācitam /
adyāttryahaṃ copavasedatikṛcchramidaṃ vratam

pratitryahaṃ pibeduṣṇaṃ jalaṃ kṣīraṃ ghṛtaṃ dvija /
sakṛtsnāyī taptakṛcchraṃ smṛtaṃ pāpaharaṃ mune

abhojanaṃ dvādaśāhaṃ kṛcchro'yaṃ pāpanāśanaḥ /
parāko nāma vijñeyaḥ prasiddhaśca tapodhana

ekaikaṃ varddhayetpiṃḍaṃ śukle kṛṣṇe ca hrāsayet /
iṃdukṣaye na bhuṃjīta cāṃdrāyaṇavrataṃ smṛtam

aśnīyāccaturaḥ prātaḥ piṃḍānvipra samāhitaḥ /
caturo'stamite cārke śiśucāṃdrāyaṇaṃ smṛtam

kūṣmāṃḍaghātī yā nārī paṃcagavyaṃ pibettryaham /
kūṣmāṃḍapaṃcakaṃ dadyātsasuvarṇaṃ savastrakam /
tasyā vāri tathā bhaktaṃ grāhyaṃ syādvai tapodhana

iti śrīpādme mahāpurāṇe brahmakhaṃḍe sūtaśaunakasaṃvāde ekonaviṃśo'dhyāyaḥ