Contradiction with Matthew 6:3-4
Exodus 35:4 discusses giving offerings publicly, while Matthew 6:3-4 advises to give in secret.
Matthew 6:3-4: But when thou doest alms, let not thy left hand know what thy right hand doeth:
Contradiction with 2 Corinthians 9:7
Exodus 35:4 involves a collective command to give, whereas 2 Corinthians 9:7 emphasizes giving according to individual decision and willingness.
2 Corinthians 9:7: Every man according as he purposeth in his heart, [so let him give]; not grudgingly, or of necessity: for God loveth a cheerful giver.
Contradiction with Proverbs 3:27
Exodus 35:4 talks about volunteering offerings, while Proverbs 3:27 suggests not withholding good when it is due.
Proverbs 3:27: Withhold not good from them to whom it is due, when it is in the power of thine hand to do [it]. [them...: Heb. the owners thereof]
Contradiction with Deuteronomy 16:17
Exodus 35:4 describes giving based on a command, but Deuteronomy 16:17 encourages giving according to one's own means (as one is able).
Deuteronomy 16:17: Every man [shall give] as he is able, according to the blessing of the LORD thy God which he hath given thee. [as...: Heb. according to the gift of his hand]
Contradiction with Acts 5:1-4
Exodus 35:4 endorses offering for the tabernacle as mandatory, whereas Acts 5:1-4 shows that offerings are voluntary and deceitfully mandatory contributions are rebuked.
Acts 5:1-4: But a certain man named Ananias, with Sapphira his wife, sold a possession,