Section 401 deals with pension plans and profit-sharing and the like, and subsection (C) is merely the definitions used in section 401.
Section 501 covers organizations exempt from certain federal income taxes, and (C)(3) defines a specific class of organizations that may qualify for tax exemption because of their "charitable" purposes, and may also benefit from the fact that donations made to them could be tax-deductible by the donors.
A 401C3 is a classification of tax exempt status. This type of status often belongs to a charitable organization like an animal rescue.
You would have to contact either the IRS, of the Kiwanis national headquarters for the answer.What makes you thinki it isn't?IT IS 501c3 qualified (you mistyped the code section) and says so onits website;http://sites.kiwanis.org/Kiwanis/en/Foundation/Help/KLS.aspx"ontributions are tax-deductible in the United States under provisions in the Internal Revenue Service Code 501(c)(3). Donations from a club may be made from either its administrative or service account."