Not a lot to look up on it (http://support.sas.com/documentation/cdl/en/lrdict/64316/HTML/default/viewer.htm#a002605538.htm), but the anydtdte informat appears to be able to read dates that give all of the other date informats problems. A useful system option to supplement it is the: options datestyle=mdy in order to guide the informat regarding the order of the three date parts.
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