20 CFR 405.20 - Good cause for extending deadlines.
(a) If you want us to extend the deadline to request administrative or judicial review, you must establish that there is good cause for missing the deadline. To establish good cause, you must show us that -
(1) Our action misled you;
(b) Examples of circumstances that, if documented, may establish good cause include, but are not limited to, the following:
(2) There was a death or serious illness in your immediate family;
(3) Important records were destroyed or damaged by fire or other accidental cause;
(6) We gave you incorrect or incomplete information about when and how to request administrative review or to file a civil suit;
(8) You sent the request to another Government agency in good faith within the time limit, and the request did not reach us until after the time period had expired.