Brihat Parashara Hora Shastra
लग्नेशे राज्यभावस्थे राज्येशे लग्नसंस्थिते । प्रबलो राजसम्बन्धयोगोऽयं परिकीर्तितः ॥ १३॥
An exchange of Rāśis between Karm‟s Lord and Lagn‟s Lord will make the native associated with the king in a great manner.
english translation
lagneze rAjyabhAvasthe rAjyeze lagnasaMsthite । prabalo rAjasambandhayogo'yaM parikIrtitaH ॥ 13॥
hk transliteration by Sanscript