The US authorities have hinted that many clients have already come clean to take advantage of more lenient punishments. They have extended a formal deadline for self-declaration to encourage others.

• 美国政府暗示，许多客户已经主动交代，以利用比较宽大的处罚待遇。他们延长了自愿申报的官方截止期限，以鼓励其他人交代问题。