# Nonprofit501c28

Nonprofit501c28: Non-profit type referring to National Railroad Retirement Investment Trusts.

**A value of:** [USNonprofitType](https://schema.org.ai/USNonprofitType)

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Copied word for word from Schema.org 30.1, https://schema.org/Nonprofit501c28, under CC BY-SA 3.0. Served by the Org.AI Foundation at https://schema.org.ai/Nonprofit501c28.