The notice of termination of private foundation status via operation as a public charity should include:
- The name and address of the private foundation,
 - Its intention to terminate its private foundation status,
 - The Code section under which it seeks classification (section 509(a)(1), (2), or (3)),
 - If section 509(a)(1) applies, the specific type of section 170(b)(1)(A) organization for which it seeks classification,
 - The date its regular tax year begins, and
 - The date the 60-month period begins.
 
The organization must also submit Form 872-B, PDF agreeing to extend the statute of limitations for paying foundation excise taxes until after the end of the 60-month period. If it does not do so, it must pay the taxes on its investment income during the period.
Send the notice to Exempt Organizations Determinations.