VārGS, 6, 14.0 traividyakaṃ brahmacaryaṃ caret //

VārGS, 7, 16.0 etābhyām eva mantrābhyāṃ traividyakaṃ vratamupeyāt //

ĀpDhS, 1, 1, 28.0 atikrānte sāvitryāḥ kāla ṛtuṃ traividyakaṃ brahmacaryaṃ caret //

ĀpDhS, 1, 2, 6.0 teṣām abhyāgamanaṃ bhojanaṃ vivāham iti ca varjayet teṣām icchatāṃ prāyaścittaṃ dvādaśavarṣāṇi traividyakaṃ brahmacaryaṃ cared athopanayanaṃ tataḥ udakopasparśanaṃ pāvamānyādibhiḥ //