Apply the RRA 98 § 1204(b) retention standard when evaluating IRS Collection employees, managers, and executives who intentionally disregard IRS policies concerning levy action on a tax period in which NFTL appeals were filed timely and determinations were still pending, and consider appropriate discipline in accordance with IRM 6.751.1, the manager’s guide to penalty determinations, and in consultation with Labor Relations and Small Business/Self-Employed Division Collection leadership.