<SEC-DOCUMENT>0001047469-18-002840-index.html : 20180416
<SEC-HEADER>0001047469-18-002840.hdr.sgml : 20180416
<ACCEPTANCE-DATETIME>20180416122114
ACCESSION NUMBER:		0001047469-18-002840
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180416
DATE AS OF CHANGE:		20180416
EFFECTIVENESS DATE:		20180416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERNATIONAL BANCSHARES CORP
		CENTRAL INDEX KEY:			0000315709
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				742157138
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09439
		FILM NUMBER:		18756031

	BUSINESS ADDRESS:	
		STREET 1:		12OO SAN BERNARDO AVE
		STREET 2:		PO BOX 1359
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040-1359
		BUSINESS PHONE:		9567227611

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1359
		STREET 2:		1200 SAN BERNARDO
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>a2235177zdefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: a2235177zdefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g531279.jpg
<DESCRIPTION>G531279.JPG
<TEXT>
Document 2 - file: g531279.jpg

</DOCUMENT>
</SEC-DOCUMENT>