Kautilya's Arthashastra 3.13.20

3.13.20

gṛhejātadāyāgatalabdhakrītānām anyatamaṃ dāsam ūnāṣṭavarṣaṃ vibandhum akāmaṃ nīce karmaṇi videśe dāsīṃ vā sagarbhām aprativihitagarbhabharmaṇyāṃ vikrayādhānaṃ nayataḥ pūrvaḥ sāhasadaṇḍaḥ, kretṛśrotṛṛṇāṃ ca //

If a slave who is less than eight years old and has no relatives, no matter whether he is born a slave in his master's house, or fell to his master's share of inheritance, or has been purchased or obtained by his master in any other way, is employed in mean avocations against his will or is sold or mortgaged in a foreign land; or if a pregnant female slave is sold or pledged without any provision for her confinement, his or her master shall be punished with the first amercement. The purchaser and abettors shall likewise be punished.