The affix laṭ (Present Tense) comes after a verb when the particle sma is in connection with it and denotes a past action not belonging to the current day and when the action is perceived by the agent.,
As एवं स्म पिता ब्रवीति 'thus said the father'; इति स्मोपाध्यायः कथयति 'thus said the preceptor'.,