Carbon Removal Standards Initiative is a project of Multiplier. Multiplier is a Section 501(c) (3) charitable organization, EIN 91-2166435, with a 4-star rating on Charity Navigator. No goods or services were provided in exchange for this donation. Donations to 501(c)3 organizations in the United States are tax-deductible as allowed by law. The amount listed is your potential tax-deductible amount, and you should consult with your personal income tax adviser about your particular tax situation.