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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000875626-08-001457.txt : 20080618
<SEC-HEADER>0000875626-08-001457.hdr.sgml : 20080618
<ACCEPTANCE-DATETIME>20080618082854
ACCESSION NUMBER:		0000875626-08-001457
CONFORMED SUBMISSION TYPE:	497J
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20080618
DATE AS OF CHANGE:		20080618
EFFECTIVENESS DATE:		20080618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GRIT 104
		CENTRAL INDEX KEY:			0001396828
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		497J
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-151037
		FILM NUMBER:		08904636

	BUSINESS ADDRESS:	
		STREET 1:		C/O FIRST TRUST PORTFOLIOS L.P.
		STREET 2:		1001 WARRENVILLE ROAD, SUITE 300
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532
		BUSINESS PHONE:		630-241-4141

	MAIL ADDRESS:	
		STREET 1:		C/O FIRST TRUST PORTFOLIOS L.P.
		STREET 2:		1001 WARRENVILLE ROAD, SUITE 300
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GNMA 104
		DATE OF NAME CHANGE:	20070418
</SEC-HEADER>
<DOCUMENT>
<TYPE>497J
<SEQUENCE>1
<FILENAME>j497.txt
<DESCRIPTION>DEFINITIVE LETTER
<TEXT>


                  FIRST TRUST PORTFOLIOS L.P.
                      1001 WARRENVILLE ROAD
                     LISLE, ILLINOIS  60532


                          June 18, 2008


Securities and Exchange Commission
100 F Street NE
Washington D.C. 20549

Attn:     Filing Desk, Stop 1-4

     Re:           The First Trust GNMA Reinvestment Income Trust
                      "GRIT" Series 104
              (File No. 333-151037) (CIK No. 0001396828)

Gentlemen:

     In   accordance  with  the  provisions  of  Rule  497(j)  of
Regulation  C  under the Securities Act of 1933 (the  "Securities
Act")  this  letter  serves  to  certify  that  the  most  recent
amendment to the registration statement on Form S-6 for the above
captioned  Trust does not differ from that which would have  been
filed  pursuant to Rule 497(b) of the Securities Act.   Amendment
No. 1,  which was the most recent Amendment to the Registration
Statement, was filed electronically with the Commission on
June 12, 2008.

                                    Very truly yours,
                                    The First Trust GNMA Reinvestment Income
                                       Trust "GRIT" Series 104, Registrant


                                    By: FIRST TRUST PORTFOLIOS L.P., Depositor
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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