Endorsement Process Question

in SSCP
Will (ISC)2 acknowledge receipt of endorsement documents when they are faxed? The FAX reported send OK, but it would suck to wait another 4-6 weeks and find out that they were never received . . .
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DUH - never mind, I just re--read the fine print at the bottom of my results email . . . they will notify within 48 hours of receipt . . .
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Feel the fear, and do it anyway!