IRS Compliance & PenaltiesAnswered

I got an IRS penalty notice on my LLC — is it a CP15 or a CP215, and how do I respond?

TB
thiago_b9d2new member
May 19, 2026 1,110 views 1 answer
cp215cp15form-5472penalty-noticeirs-correspondence

My foreign-owned LLC just got an IRS notice assessing a penalty tied to Form 5472. A forum post called it a CP15, but my notice header looks different. Does the notice type actually matter, and what is the right way to respond to a business civil-penalty notice like this?

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