# 25 CFR 170.223 - What is the Relative Need Distribution Factor (RNDF)?

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The Relative Need Distribution Factor (RNDF) is a mathematical formula used for distributing the IRR Program construction funds. The RNDF is derived from a combination of the cost to construct, vehicle miles traveled, and population. Appendix C to subpart C explains how the RNDF is derived and applied.

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§ 170.223 What is the Relative Need Distribution Factor (RNDF)?

The Relative Need Distribution Factor (RNDF) is a mathematical formula used for distributing the IRR Program construction funds. The RNDF is derived from a combination of the cost to construct, vehicle miles traveled, and population. Appendix C to subpart C explains how the RNDF is derived and applied.