Manava Dharmashastra 7.98

Manvarthamuktāvalī 7.98

utsargānadhyayanādūrdhvaṃ mantrabrāhmaṇātmakaṃ vedaṃ śuklapakṣeṣu saṃyataḥ paṭhet| sarvāṇi tu vedāṅgāni śikṣāvyākaraṇādīni kṛṣṇapakṣeṣu paṭhet|