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To deal with difficulties in accessing UCRAYS, there is a process of requesting assistance from a human attendant. When one files such a request, an email - such as the one above - comes back which says that there will be a response within "5 business days." Yours truly isn't 100% sure of the definition of a business day, but it sure seems like there must have been at least five of them since October 26 when the email above was received.
Of course, there can always be uncertainty about the length of a "day":