Nirnayasindhu 2.2.5

2.2.5

dvijasattama' ityāpastambokteḥ || yattu-'sampūrṇā daśamī kāryā pūrvayā parā yāthavā' ityaṅgirasoktam || tannavamīyuktālābhe audayikī grāhyetyevaṃ neyam
ekādaśīnirṇayaḥ
athaikādaśī || tatraikādaśyupavāso dvedhā-niṣedhaparipālanātmakau vratarūpaśca || tatrādyaḥ"na śaṃkhena pibettoyaṃ na khādetkūrmasūkarau | ekādaśyāṃ na bhuñjīta pakṣayorubhayorapi ||"
iti kaurmadevalādyukteḥ || agnipurāṇepi-“gṛhastho brahmacārī ca āhitāgnistathaiva ca
ekādaśyāṃ na bhuñjīta pakṣayorubhayorapi ||” iti || na cātra paryudāsena vratavidhiḥ,
taddhetuvratādiśabdābhāvāt || vratarūpastu brahmavaivarte-"prāpte haridine samyagvidhāya niyamaṃ
niśi | daśamyāmapavāsasya prakuryādvaiṣṇavaṃ vratam ||” iti || idaṃ ca śivabhaktādibhirapi
kāryam | 'vaiṣṇavo vātha śaivo vā kuryādekādaśīvratam' iti śivadharmokteḥ || 'vaiṣṇavo
vātha śaivo vā sauroṣyetatsamācaret' iti saurapurāṇācca || sopi dvedhā nityaḥ kāmyaśca
'upoṣyākādaśī nityaṃ pakṣayorubhayorapi' iti gāruḍokteḥ || 'pakṣepakṣe ca kartavyamekādaśyāmupoṣaṇam' iti nāradokteśca nityatā || "yadīcchedviṣṇusāyujyaṃ śriyaṃ santatimātmanaḥ | ekādaśyāṃ na bhuñjīta pakṣayorubhayorapi ||” iti kaurmādiṣu phalaśruteśca
kāmyatā || ubhayaikādaśīvrataṃ gṛhasthātiriktānāmeva nityam || gṛhasthasya tu śuklāyāmeva vrataṃ nityaṃ, na kṛṣṇāyām | "ekādaśyāṃ na bhuñjīta pakṣayorubhayorapi | vanasthayatidharmoyaṃ śuklāmeva sadā gṛhī ||” iti devalokteḥ || na cānena niṣedhapālanameva vanasthayativiṣaye upasaṃhriyate, na tu vratamiti vācyam | asya paryudāsena vratavidhiparatvāt