When King Ikṣvāku, thus informed by Vasiṣṭha, understood what his son Vikukṣi had done, he was extremely angry. Thus he ordered Vikukṣi to leave the country because Vikukṣi had violated the regulative principles.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
ज्ञात्वा पुत्रस्य तत्कर्म गुरुणाभिहितं नृपः । देशान्निःसारयामास सुतं त्यक्तविधिं रुषा
jñātvā putrasya tatkarma guruṇābhihitaṃ nṛpaḥ | deśānniḥsārayāmāsa sutaṃ tyaktavidhiṃ ruṣā
SB 9.6.9