TS, 5, 4, 3, 24.0 caramāyām iṣṭakāyāṃ juhoti //

VārŚS, 2, 2, 3, 3.1 imā me agnā iṣṭakā dhenavaḥ santv ity abhimantrya śatarudriyaṃ juhoty arkaparṇenājakṣīreṇa gavīdhukāsaktūn kṛtvā ṣaḍḍhā vibhajyottarāparasyām iṣṭakāyām udaṅ tiṣṭhannātyadvohann agniṃ namas te rudra manyava itiprabhṛtinā namaḥ senābhyaḥ senānībhyaś ca vo nama ityantena jānudaghne //

VārŚS, 2, 2, 3, 9.1 gāvīdhukaṃ caruṃ payasi śṛtam upadadhāti tasyām eveṣṭakāyāṃ /

ĀpŚS, 16, 24, 2.1 prabāhug iṣṭakāyāṃ hiraṇyaśakalāv adhyūhya yās te agne sūrye ruca iti dvābhyāṃ vāmabhṛtam //

ĀpŚS, 17, 12, 2.0 etena yajuṣā yasyām iṣṭakāyāṃ śatarudrīyaṃ juhoti tasyāṃ pratiṣṭhāpayati //

ĀpŚS, 19, 12, 24.1 uttarata uttamāyām iṣṭakāyām arkaparṇenājākṣīraṃ juhoti //

ŚBM, 6, 2, 2, 40.2 dadyād etasmin yajñe dakṣiṇāṃ nenme 'yaṃ yajño 'dakṣiṇo 'sad brahmaṇa ādiṣṭadakṣiṇāṃ dadyād brahmā vai sarvo yajñas tad asya sarvo yajño bhiṣajjayito bhavatīti na tathā kuryād iṣṭakāṃ vā etāṃ kurute tad yatheṣṭakāyām iṣṭakāyāṃ dadyāt tādṛk tad amurhyeva dadyād yad asyopakalpeta //

ŚBM, 6, 2, 2, 40.2 dadyād etasmin yajñe dakṣiṇāṃ nenme 'yaṃ yajño 'dakṣiṇo 'sad brahmaṇa ādiṣṭadakṣiṇāṃ dadyād brahmā vai sarvo yajñas tad asya sarvo yajño bhiṣajjayito bhavatīti na tathā kuryād iṣṭakāṃ vā etāṃ kurute tad yatheṣṭakāyām iṣṭakāyāṃ dadyāt tādṛk tad amurhyeva dadyād yad asyopakalpeta //