Grace Periods - Companies that file with the SEC are given a grace period of 30 calendar days. Banks and insurance companies that do not file with the SEC are given a grace period of 60 calendar days. The grace period begins on the date the symbol change notification appears on the OTCBB Daily List, not the effective date of the symbol change.
According to the OTCBB Delinquent Filing List TXP's grace period expires 5/18/09.