When the first Parana is reached, the hearer should satisfy Brahmanas with presents of all desirable objects. By doing this, one acquires the fruits of the Agnishtoma sacrifice.
पारणं प्रथमं प्राप्य द्विजान् कामैश्च तर्पयन्। अग्निष्टोमस्य यज्ञस्य फलं वै लभते नरः॥