<SEC-DOCUMENT>0000940394-22-001289.txt : 20220926
<SEC-HEADER>0000940394-22-001289.hdr.sgml : 20220926
<ACCEPTANCE-DATETIME>20220822163116
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000940394-22-001289
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220822

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EATON VANCE SENIOR INCOME TRUST
		CENTRAL INDEX KEY:			0001070732
		IRS NUMBER:				043435040

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-482-8260

	MAIL ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
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<TYPE>CORRESP
<SEQUENCE>1
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<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>Eaton Vance Senior Income Trust</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>Two International Place</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>Boston, MA 02110</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>Telephone: (800) 225-6265</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: right">August 22, 2022</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify"><B>VIA EDGAR</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">U.S. Securities and Exchange Commission</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">100 F Street, N.E.</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">Washington, D.C. 20549</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; font: 11pt Calibri, Helvetica, Sans-Serif; text-align: justify"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Attention:</FONT></TD>
    <TD STYLE="width: 85%; padding-right: 5.4pt; padding-left: 5.4pt; font: 11pt Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Christopher Bellacicco</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Lauren Hamilton</FONT></TD></TR>
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<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Re:</FONT></TD>
    <TD STYLE="width: 95%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Rule 461 Request for Acceleration of Effective Date</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Eaton Vance Senior Income Trust (the &ldquo;Fund&rdquo;)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Pre-Effective Amendment No. 1 to Registration Statement on Form N-2 (333-263033; 811-09013)</FONT></TD></TR>
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<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">Dear Mr. Bellacicco and Ms. Hamilton:</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">Pursuant to Rule 461 under the Securities Act of 1933,
as amended (the &ldquo;1933 Act&rdquo;), the Fund and Eaton Vance Distributors, Inc., the principal underwriter of the Fund (the &ldquo;Distributor&rdquo;),
hereby request that the staff of the Division of Investment Management accelerate the effective date of the Pre-Effective Amendment No.
1 to Registration Statement (the &ldquo;Amendment&rdquo;), which was filed August 22, 2022, to become effective as soon as practicable
on August 25, 2022.</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">In connection with such
request the Fund and the Distributor acknowledge that:</P>

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<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">1.</TD><TD STYLE="text-align: justify">Should the Commission or the staff acting pursuant to delegated authority declare the Amendment effective,
such action does not foreclose any action by the Commission with respect to the filing;</TD></TR></TABLE>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">2.</TD><TD STYLE="text-align: justify">The action of the Commission or the staff acting pursuant to delegated authority in declaring the filing
effective does not relieve the Fund of responsibility for the adequacy and accuracy of the disclosure in the filing; and</TD></TR></TABLE>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">3.</TD><TD STYLE="text-align: justify">The Fund will not assert the staff's acceleration of effectiveness of the filing as a defense in any proceeding
initiated by the Commission or any other person under the federal securities laws.</TD></TR></TABLE>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">Furthermore, the Fund and the Distributor are aware
that the Division of Enforcement has access to all information provided to the staff of the Division of Investment Management in connection
with its review of and the Fund&rsquo;s comments on this and other filings made with respect to the Registration Statement.</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 243pt; text-align: justify">Very Truly Yours,</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 3.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">EATON VANCE SENIOR INCOME TRUST </FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 51%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 8%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 41%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">/s/ Jill R. Damon</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Jill R. Damon</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Title:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Secretary</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">EATON VANCE DISTRIBUTORS, INC.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">/s/ Michelle Rousseau</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Name:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Michelle Rousseau</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Title:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 10pt">Secretary and Clerk</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P>


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