Entity Information

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Economic entity name	INTERNATIONAL BANCSHARES CORP
CIK	0000315709
Accession number	0001558370-17-001061
Generator	Merrill
SEC filing page	http://www.sec.gov/Archives/edgar/data/315709/000155837017001061/0001558370-17-001061-index.htm
XBRL Instance	http://www.sec.gov/Archives/edgar/data/315709/000155837017001061/iboc-20161231.xml
XBRL Cloud Viewer	https://edgardashboard.xbrlcloud.com/flex/viewer/XBRLViewer.html#instance=http://www.sec.gov/Archives/edgar/data/315709/000155837017001061/iboc-20161231.xml