A plea to a violation of 26 U.S.C. 7206(2) does not constitute an aggravated felony. INA 101(a)(43)(M)(ii), 8 U.S.C. 1101(a)(43)(M)(ii) ["is described in section 7201 of the Internal Revenue Code of 1986 (relating to tax evasion) in which the revenue loss to the Government exceeds $10,000"]). See Evangelista v. Ashcroft, 359 F.3d 145, 149-53 (2004); Lee v. Ashcroft, 368 F.3d 218 (2004) (federal conviction of violating 7206(a) is not an aggravated felony, since Congress specified only one tax crime (Section 7201) as an aggravated felony). It may be a crime involving moral turpitude.
Possible alternative dispositions include a plea to a violation of 26 U.S.C. 7203 (willful failure to file return supply information, or pay tax), a misdemeanor, and 26 U.S.C. 7202 (willful failure to collect or pay over tax), a felony.
A plea to multiple violations of INA 274A(a)(1)(A), would constitute a "pattern or practice" violation of INA 274A(f), 8 U.S.C. 1324a (f), a misdemeanor punishable by a fine of not more than $3,000 for each alien with respect to whom such a violation occurs, imprisonment for not more than six months for the entire pattern or practice, or both.