अथ यत्तपो दानमार्जवमहिंसा सत्यवचनमिति ता अस्य दक्षिणाः ॥ ३.१७.४ ॥
In plain words
And austerity, giving, uprightness, harmlessness and speaking the truth — these are his priestly gifts.
The commentators
Chāndogyopaniṣadbhāṣyam· bhāṣya
अथ यत्तपो दानमार्जवमहिंसा सत्यवचनमिति, ता अस्य दक्षिणा, धर्मपुष्टिकरत्वसामान्यात् ॥
In plain words
Now, austerities, charity, uprightness, non-injury, and truthfulness—these are his sacrificial gifts, because they share the common quality of nourishing righteousness.
Close to the Sanskrit
Now, which are austerity, charity, straightforwardness, non-injury, truthfulness—those are His sacrificial fees, because of the common quality of fostering righteousness.