B.G 3.09
yajñārthāt karmaṇōnyatra lōkōyaṁ karmabandhanaḥ। tadarthaṁ karma kauntēya muktasaṅgaḥ samācara ॥9॥
Actions must be performed as a sacrifice to worship the Lord. Otherwise, actions performed for the wordly sake lead to bondage. So, practice actions without attachment, with equanimity, for His sake.
Gīta Tātparya 3.09
'Jna' means lord Vishnu. 'Yajna' means prescribed duties to be performed for lord Vishnu's sake.
"karmaṇā badhyatē jantuḥ"
"Beings are bound by action."
ityādikamapi avaiṣṇavakarmaviṣayamityāha - yajñārthāditi।
Such statements are meant for non Vaishnava actions. Hence in the 'Yajna' verse it is told, perform action for the sake of 'Yajna'.
"jñō nāma bhagavān viṣṇuḥ taṁ yātyuddēśa ēṣa yaḥ। sa yajña iti samprōktō vihitē karmaṇi sthitaḥ॥"
iti barkaśrutiḥ ॥9॥
"Lord Vishnu is known by the name 'Jna' (the knowledgeable). The stated prescribed duties to be performed for His sake are said to be 'Yajna'."
-states Barka Vedic testimonial.