A 501(c)(3) organization can engage in lobbying without restriction.

501(c)(3)

A section of the U.S. Internal Revenue Code that provides a tax exemption for nonprofit organizations that are charitable, religious, educational, scientific, or literary in nature.

Lobbying

The act of attempting to influence decisions made by officials in a government, most often legislators or members of regulatory agencies.

Without Restriction

Condition where there are no limitations or constraints imposed on the use, distribution, or manner of an action.