-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000927946-05-000014.txt : 20050126
<SEC-HEADER>0000927946-05-000014.hdr.sgml : 20050126
<ACCEPTANCE-DATETIME>20050126170740
ACCESSION NUMBER:		0000927946-05-000014
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20050126
DATE AS OF CHANGE:		20050126
EFFECTIVENESS DATE:		20050126

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOANALYTICAL SYSTEMS INC
		CENTRAL INDEX KEY:			0000720154
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		IRS NUMBER:				351345024
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23357
		FILM NUMBER:		05550886

	BUSINESS ADDRESS:	
		STREET 1:		2701 KENT AVE
		CITY:			WEST LAFAYETT
		STATE:			IN
		ZIP:			47906-1382
		BUSINESS PHONE:		3174634527

	MAIL ADDRESS:	
		STREET 1:		2701 KENT AVENUE
		CITY:			WEST LAFAYETTE
		STATE:			IN
		ZIP:			47906-1382
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>correction.htm
<DESCRIPTION>BIOANALYTICAL SYSTEMS, INC.
<TEXT>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>


<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549<BR>
<BR>
<B>SCHEDULE 14A</B><BR>
<BR>
Proxy Statement Pursuant to Section 14(a) of the Securities<BR>
Exchange Act of 1934 (Amendment No.&nbsp;&nbsp;&nbsp;&nbsp;)<BR>
</FONT></P>
<BR>





<P ALIGN=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Filed by the Registrant&nbsp;&nbsp;<img src="ballotx.jpg"> <BR>
Filed by a Party other than the Registrant&nbsp;&nbsp;<img src="ballot.jpg"></FONT></P>

<P ALIGN=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Check the appropriate box:<BR>
<BR>
<img src="ballot.jpg">&nbsp;&nbsp;Preliminary Proxy Statement<BR>
<BR>
<img src="ballot.jpg">&nbsp;&nbsp;Confidential, for Use of the Commission Only<BR>
<BR>
<img src="ballot.jpg">&nbsp;&nbsp;Definitive Proxy Statement<BR>
<BR>
<img src="ballotx.jpg">&nbsp;&nbsp;Definitive Additional Materials<BR>
<BR>
<img src="ballot.jpg">&nbsp;&nbsp;Soliciting  Material Pursuant to 240.14a-11(c)
or 240.14a-12<BR>
<BR>
Commission File No. 000-23357</FONT></P>


<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
<U>Bioanalytical Systems, Inc.</U><BR>
(Name of Registrant as Specified In Its Charter)<BR>
<BR>
<BR>
<BR>

(Name of Person(s) Filing Proxy Statement, if other than Registrant)
</FONT></P>
<BR>
<BR>

<P ALIGN=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Payment of Filing Fee (Check the appropriate box):<BR>
<BR>
<img src="ballotx.jpg">&nbsp;&nbsp;No fee required
</FONT></P>

<P ALIGN=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
<img  src="ballot.jpg">&nbsp;&nbsp;Fee  computed on table below per Exchange Act
Rules 14a-6(i)(4) and 0-11.
</FONT></P>

<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
1)</FONT></TD>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
&nbsp;</FONT></TD>
<TD WIDTH=90%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Title of each class of securities to which transaction applies:</FONT></TD>
</TR>
</TABLE>
<BR>

<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
2)</FONT></TD>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
&nbsp;</FONT></TD>
<TD WIDTH=90%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Aggregate number of securities to which transaction applies:</FONT></TD>
</TR>
</TABLE>
<BR>

<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
3)</FONT></TD>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
&nbsp;</FONT></TD>
<TD WIDTH=90%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Per unit price or other underlying value of transaction computed pursuant to
Exchange Act Rule 0-11 (set forth the amount on which the filing fee is
calculated and determined):</FONT></TD>
</TR>
</TABLE>
<BR>

<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
4)</FONT></TD>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
&nbsp;</FONT></TD>
<TD WIDTH=90%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Proposed maximum aggregate value of transaction:</FONT></TD>
</TR>
</TABLE>
<BR>


<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
5)</FONT></TD>
<TD ALIGN=RIGHT WIDTH=5%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
&nbsp;</FONT></TD>
<TD WIDTH=90%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
Total fee paid:</FONT></TD>
</TR>
</TABLE>
<BR>

<P ALIGN=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
<img src="ballot.jpg">&nbsp;&nbsp;Fee paid previously with preliminary materials.<BR>
<BR>
<img src="ballot.jpg">&nbsp;&nbsp;Check box if any part of the fee is offset as
provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the
offsetting fee was paid previously. Identify the previous filing by registration
statement number, or the Form or Schedule and the date of its filing.</FONT></P>

<P ALIGN=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amount Previously Paid:<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Form, Schedule or Registration Statement No.:<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Filing Party:<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Date Filed:<BR>
</FONT></P>





<PAGE>






<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
<IMG SRC="basilogo.gif"></FONT></P>
<BR>



<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
CORRECTION TO PROXY STATEMENT DELIVERED TO<BR>
SHAREHOLDERS OF BIOANALYTICAL SYSTEMS, INC.<BR>
IN CONNECTION WITH ANNUAL MEETING OF SHAREHOLDERS<BR>
TO BE HELD FEBRUARY 17, 2005<BR></FONT></P>
<BR>

<P ALIGN=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
To Shareholders of Bioanalytical Systems, Inc.:<BR>
<BR>
Bioanalytical Systems, Inc. ("BASi") has delivered a proxy statement to you in
connection with the Annual Meeting of Shareholders to be held at the principal
executive offices of BASi, at 2701 Kent Avenue, West Lafayette, Indiana 47906 on
Thursday, February 17, 2005 at 10:00 a.m. (EST).<BR>
<BR>
BASi has become aware that the Proxy Statement contains an error. On page 14
under the heading "Vote Required," the Proxy Statement incorrectly states the
vote required to approve the proposed amendment to the 1997 Employee Incentive
Stock Option Plan to increase the number of shares available for option grants.
If a quorum is present, the proposal described in the Proxy Statement to amend
the 1997 Employee Incentive Stock Option Plan will be approved if a majority of
the votes cast are votes in favor of the proposal.</FONT></P>


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