请教关于GIPS的一个问题 periods, history, presented, 专家, long

wanghaha

level1 s-notes page63 提到:

Firms may present periods of noncompliant performance immediately prior to the compliant performance history as long as no noncompliant performance is presented for any periods after January 1, 2000.

这句话我始终看不懂,向专家请教.