Final answer:
Approval from the IRS of 501(c)(3) status exempts an organization from federal income tax. Other taxes like sales tax, property tax, and payroll tax are usually governed by state and local laws and can still apply, but many states also provide certain exemptions for 501(c)(3) organizations.
Step-by-step explanation:
Approval from the IRS of 501(c)(3) status exempts an organization from income tax on the federal level. Specifically, this status typically allows tax exemption for the income the organization earns related to its non-profit purpose. It is important to note that other taxes, such as sales tax, property tax, and payroll tax, can still apply to 501(c)(3) organizations depending on state and local laws, as these taxes are often governed by state and local jurisdictions rather than the federal government. However, many states also align with the federal government and provide exemptions for 501(c)(3) organizations from sales and property taxes, but this is not automatic and varies by location.
Answer: c) Income tax.