What counts as time unemployed?
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Each day during the period when OPT authorization begins and ends that
the student does not have qualifying employment counts as a day of
unemployment. The only exception is that periods of up to 10 days between
the end of one job and the beginning of the next job will not be included in
the calculation for time spent unemployed.
link: http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=ff791c491861a110VgnVCM1000
