śraddhātrayavibhāgayoga - Verse śloka 21
śloka 21
yattu pratyupakārārthaṃ phalamuddiśya vā punaḥ |
dīyate ca parikliṣṭaṃ taddānaṃ rājasaṃ smṛtam ||17-21||
Translation
And that charity which is given with reluctance, or with the desire for return, or with desire for fruit—that charity is considered Rajasic.