Section 6694(a) July 8, 2019 16 32 64 128 Section 6694 a Section 6694 a penalty Irc section 6694 a Irc section 6694 applies to Penalty under section 6694 a What does irc section 6694 apply to Section 6694(b) Section 6694(b)(2) Section 669 Section 6694 of the internal revenue code