'Voluntary offering' in the Bible
The children of Israel brought a voluntary offering to Jehovah, every man and woman whose heart prompted them to bring for all manner of work, which Jehovah, by the hand of Moses, had commanded to be done.
"If his sacrifice accompanies a fulfilled vow or is a voluntary offering, it is to be eaten on the day the offeror brings the sacrifice. Anything left over is to be eaten the next day,
And if any present a sacrifice of peace-offering to Jehovah to accomplish a vow, or a voluntary offering of oxen or small cattle, it shall be without blemish to be accepted: there shall be no defect therein.
A bullock and a sheep that hath a member too long or too short, that mayest thou offer as a voluntary offering; but as a vow it shall not be accepted.
when you enter the land where you'll be living that I'm about to give you, you are to make an offering by fire to the LORD, either a burnt offering, a sacrificial offering to fulfill a vow, or a voluntary offering at the appointed time, to make a pleasing aroma to the LORD either from your cattle or from your flocks.
And thou shalt hold the feast of weeks to Jehovah thy God with a tribute of a voluntary-offering of thy hand, which thou shalt give, according as Jehovah thy God hath blessed thee;
What is gone out of thy lips thou shalt keep and do, as thou hast vowed to Jehovah thy God, the voluntary-offering that thou hast promised with thy mouth.
His officers contributed a voluntary offering to the people, the priests, and the descendants of Levi. Hilkiah, Zechariah, and Jehiel, the officials who supervised God's Temple, gave 2,600 animals from their flocks to the priests for Passover offerings, along with 300 bulls.
And whosoever remains in any place where he sojourns, let the men of his place help him with silver, and with gold, and with goods, and with beasts, besides the voluntary offering for the house of God which is at Jerusalem.
and afterwards the continual burnt-offering, and those of the new moons, and of all the set feasts of Jehovah that were consecrated, and of every one that willingly offered a voluntary offering to Jehovah.
and all the silver and gold that thou canst find in all the province of Babylon, besides the voluntary offering of the people, and of the priests, who offer willingly for the house of their God which is at Jerusalem.
And I said to them, Ye are holy unto Jehovah; the vessels also are holy; and the silver and the gold is a voluntary offering to Jehovah the God of your fathers.
Whenever the Regent Prince presents a voluntary offering, burnt offering, or peace offering, he is to present it voluntarily to the LORD, and the east-facing gate is to be opened for him. He is to provide his burnt offering and peace offering as he does on the Sabbath. When he leaves, the gate is to be shut behind him.