Securities and Exchange Commission

Washington, DC 20549

Schedule TO-T/A

Tender offer statement under section 14(d)(1) OR 13(e)(1)

of the Securities Exchange Act of 1934

(Amendment No. 4)

Boston Capital Tax Credit Fund III L.P.

(Name of Subject Company(issuer))

Paco Development, L.L.C. (offeror)

SLCas, L.L.C. (other person)

(Names of Filing Persons (identifying status as

offeror, issuer or other person))

Units of Limited Partnership Interest

(Title of Class of Securities)

None

(CUSIP Number of Class of Securities)

Lathrop & Gage L.C.

Attn: Scott M. Herpich

2345 Grand Boulevard

Suite 2400

Kansas City, Missouri 64108

Telephone (816) 292-2000

(Name, address and telephone number of person

authorized to receive notices and communications

on behalf of filing persons)

Calculation of Filing Fee

Transaction valuation*	Amount of filing fee
$770,000	$154.00

* Calculated as the product of the Units on which the Offer is made and the gross cash price per Unit.

[X] Check box if any part of the fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

Amount previously paid:	$154.00	Filing party:	Paco Development, L.L.C.
Form or registration no.:	SC TO-T	Date filed:	January 27, 2006

[ ] Check box if the filing relates solely to preliminary communications made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the statement relates:

[X] third-party tender offer subject to Rule 14d-1.

[ ] issuer tender offer subject to Rule 13e-4.

[ ] going-private transaction subject to Rule 13e-3.

[ ] amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results of the tender offer: [X]

This Amendment No. 4 (this “Amendment”) amends and supplements the Tender Offer Statement on Schedule TO (the “Schedule TO”) filed with the Securities and Exchange Commission on January 27, 2006, and as amended on March 1, 2006, March 7, 2006, and March 10, 2006, by Paco Development, L.L.C., a Missouri limited liability company (the “Purchaser”), relating to an offer (the “Offer”) by the Purchaser to purchase up to 770,000 Beneficial Assignee Certificates evidencing the beneficial interest of an assignee in the Series 19 limited partnership interests (“BACs”) of Boston Capital Tax Credit Fund III L.P., a Delaware limited partnership (the “Partnership”), at a cash purchase price of $1.00 per BAC, without interest, less the amount of Distributions (as defined in the Offer to Purchase (as defined below)) per BAC, if any, made to BAC holders by the Partnership after the date of the Offer, and less any transfer fees imposed by the Partnership for each transfer (the Purchaser believes the Partnership is currently charging $150 per trade) upon the terms and subject to the conditions set forth in the Offer to Purchase, dated January 27, 2006, as it may be supplemented or amended from time to time (the “Offer to Purchase”), and the related Agreement of Transfer and Letter of Transmittal, as it may be supplemented or amended from time to time (the “Letter of Transmittal,” which, together with the Offer to Purchase, constitutes the “Offer”), copies of which were filed as Exhibits (a)(1)(i) and (a)(1)(ii) to the Offer to Purchase, respectively. Capitalized terms used but not defined herein have the meaning ascribed to them in the Offer to Purchase.

Item 11. Additional Information.

Item 11 is amended and supplemented by the following:

The Offer expired at 5:00 p.m., Kansas City time, on Friday, March 17, 2006. The Purchaser received 11,300 BACs that were validly tendered and not withdrawn pursuant to the Offer, all of which were accepted for payment following the expiration of the Offer. As a result of the Offer, the Purchaser will own 17,200 BACs, representing approximately 0.004% of the 4,080,000 BACs believed to be outstanding. In addition to the 11,300 BACs, an additional 1,000 BACs were tendered to the Purchaser without the necessary documentation, which documentation the Purchaser is still waiting to receive.

SIGNATURE

After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: May 11, 2006.

PACO DEVELOPMENT, L.L.C., a Missouri limited
liability company
By: /s/ DeAnn Duffield, Manager
	DeAnn Duffield, Manager
SLCas, L.L.C.
By: /s/ DeAnn Duffield, Manager
	DeAnn Duffield, Manager