Well, of course it's partisan but so is what the organization is, in spite of what the law says! Does the NAACP have something to hide....?

NAACP Refuses To Comply With IRS Probe.
USA Today (1/31, Drinkard) reports that the NAACP “is refusing to turn over documents for an Internal Revenue Service investigation into allegedly improper political activity, claiming the probe is politically motivated. In a letter sent to the IRS Friday, the NAACP cited what it contends is evidence that the agency launched the audit before the November election because of political pressure.” The IRS “denies any partisan motive for the probe.”