The Law Code of Yājñavalkya 1.3.105

1.3.105

sā adhivinnā pūrvavad eva dānamānasatkāraiḥ bhartavyā | anyathābharaṇe mahad apuṇyaṃ vakṣamāṇo daṇḍaś ca | na ca bharaṇe sati kevalam apuṇyaparihāraḥ | yataḥ yatra daṃpatyor ānukūlyaṃ cittaikyaṃ tatra dharmārthakāmānāṃ pratidinam abhivṛddhiś ca || 1.74 ||

That superseded wife must be maintained just as before, with gifts, honor, and hospitality. If she is maintained otherwise, there is great demerit and the fine that will be mentioned. Nor does maintenance merely avoid demerit; for where there is harmony between husband and wife—unity of minds—there the daily increase of duty, wealth, and pleasure also occurs.