The fund was maintained by voluntary contributions. Ananias sold a field and donated part of the money to the fund.
وَقَدْ بَاعَ حَنَانِيَّا حَقْلًا يَمْلِكُهُ وَتَبَرَّعَ بِقِسْمٍ مِنَ ٱلْمَالِ ،‏ لكِنَّهُ ٱدَّعَى أَنَّهُ تَبَرَّعَ بِكَامِلِ ٱلْمَبْلَغِ .‏