Step 1 of 6 · Who owes the tax
Form 5330 — Section B: Minimum funding and funding-improvement taxes
An accumulated funding deficiency, a liquidity shortfall, failure to meet an endangered- or critical-status benchmark, and failure to adopt a rehabilitation or funding restoration plan.
This return reports Section B taxes only.
A Form 5330 may report the taxes of one section. If you also owe an excise tax from another section, it has its own due date and needs its own Form 5330 — start a second one from the section list.
Due: The later of the last day of the 7th month after the end of the employer's tax year, or 8½ months after the last day of the plan year that ends within that tax year.
Who owes the tax
Form 5330 is filed by the person or entity liable for the excise tax — which is not always the plan or its sponsor. Give the EIN for an entity, or the SSN if an individual owes the tax.