Shiva Purana

siva.sh/siva-purana/vishweshwara-samhita/13/72

आत्मवित्तं त्रिधा कुर्याद्धर्मवृद्ध्यात्मभोगतः । नित्यं नैमित्तकं काम्यं कर्म कुर्यात्तु धर्मतः ७२ ।

sanskrit

Everyone shall set apart a third of his wealth for Dharma, another third for Vṛddhi (flourishing) and the rest for his Bhoga (enjoyment). With the part intended for Dharma he shall perform the three rites of virtue viz. Nitya (daily prayers etc.), Naimittika (casual acts of piety) and Kāmya (specific rites for the fulfilment of desires).

english translation

AtmavittaM tridhA kuryAddharmavRddhyAtmabhogataH | nityaM naimittakaM kAmyaM karma kuryAttu dharmataH 72 |

hk transliteration by Sanscript