### Question
What is the definition of plan sponsor?


### Answer
The definition of **plan sponsor** is as follows in *26 U.S.C. § 4971*:

> given such term by section 432(i)(9).[2](#4971_2_target)



#### (5) Waiver


In the case of a failure described in paragraph (2) or (3) which is due to reasonable cause and not to willful neglect, the Secretary may waive part or all of the tax imposed by this subsection. 

#### Citation:
  - *26 U.S.C. § 4971*
  - Heading: **Subtitle D-Miscellaneous Excise Taxes > CHAPTER 43-QUALIFIED PENSION, ETC., PLANS**

