CC Madhya 24.26

“svarita-ñitaḥ kartr-abhiprāye kriyā-phale”
Synonyms: 
svarita-ñ-itaḥ — of verbs having an indicatory ñ or a svarita accent; kartṛ-abhiprāye — is meant for the agent; kriyā-phale — when the fruit of the action.
Translation: 
“ ‘The terminations of the ātmane-pada are employed when the fruit of the action accrues to the agent of verbs having an indicatory ñ or a svarita accent.’
Purport: 

This is a quotation from Pāṇini’s sūtras (1.3.72).