Ca, Śār., 8, 19.2 karmaṇāṃ hi deśakālasaṃpadupetānāṃ niyatam iṣṭaphalatvaṃ tathetareṣām itaratvam /

MṛgT, Vidyāpāda, 1, 8.1 śabdetaratve yugapadbhinnadeśeṣu yaṣṭṛṣu /