405.20—Good cause for extending deadlines.
(a)
If you wish us to extend the deadline to request a review under § 405.210, a hearing under § 405.310, action by the Decision Review Board under § 405.427(a), or judicial review under §§ 405.501-.505, you must establish that there is good cause for missing the deadline. To establish good cause, you must show us that—
(2)
You had a physical, mental, educational, or linguistic limitation(s) that prevented you from filing a timely request; or
(3)
Some other unusual, unexpected, or unavoidable circumstance beyond your control prevented you from filing a timely request.
(b)
Examples of circumstances that, if documented, may establish good cause include, but are not limited to, the following:
(1)
You were seriously ill, and your illness prevented you from contacting us in person, in writing, or through a friend, relative, or other person;
(4)
You were trying very hard to find necessary information to support your claim but did not find the information within the stated time period;
(5)
Within the time limit for requesting further review, you asked us for additional information explaining our action, and within 60 days of receiving the explanation, you requested a review;
(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.