**Exhibit 4.28**

**SUPPLEMENTAL INDENTURE NO. 13**

(TOGGLE NOTES)

Supplemental Indenture No. 13 (this “Supplemental Indenture”), dated as of December 14, 2009,among the new guarantor on the signature page hereto (the “Guaranteeing Subsidiary”), a subsidiary of Realogy Corporation, a Delaware corporation (the “Issuer”), and The Bank of New York Mellon (formerly known asThe Bank of New York), as trustee (the “Trustee”). 

W I T N E S S E T H 

WHEREAS, each of the Issuer and the Note Guarantors (as defined in the Indenture referred to below) has heretofore executed and delivered tothe Trustee an indenture (the “Indenture”), dated as of April 10, 2007, providing for the issuance of an unlimited aggregate principal amount of 11.00%/11.75% Senior Toggle Notes due 2014 (the “Notes”);

WHEREAS, Section 4.15 of the Indenture provides that under certain circumstances the Issuer is required to cause theGuaranteeing Subsidiary to execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Issuer’s Obligations under the Notes and the Indenture on the termsand conditions set forth herein and under the Indenture (the “Guarantee”); and 

WHEREAS, pursuant toSection 9.01 of the Indenture, the Guaranteeing Subsidiary and the Trustee are authorized to execute and deliver this Supplemental Indenture. 

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree for the equal andratable benefit of the Holders of the Notes as follows: 

(1) Capitalized Terms. Capitalized terms used herein withoutdefinition shall have the meanings assigned to them in the Indenture. 

(2) Agreement to Guarantee. The GuaranteeingSubsidiary hereby agrees as follows: 

(a) Along with all Note Guarantors named in the Indenture, to jointly andseverally unconditionally guarantee to each Holder of a Note authenticated and delivered by the Trustee and to the Trustee and its successors and assigns, irrespective of the validity and enforceability of the Indenture, the Notes or the obligationsof the Issuer hereunder or thereunder, that: 

(i) the principal of and interest, premium and AdditionalInterest, if any, on the Notes will be promptly paid in full when due, whether at Stated Maturity, by acceleration, redemption or otherwise, and interest on the overdue principal of and interest on the Notes, if any, if lawful, and all otherObligations of the Issuer to the Holders or the Trustee hereunder or thereunder whether for payment of principal of, premium, if any, or interest on the Notes and all other monetary obligations of the Issuer under the Indenture and the Notes will bepromptly paid in full or performed, all in accordance with the terms hereof and thereof; and 

(ii) in case ofany extension of time of payment or renewal of any Notes or any of such other obligations, that same will be promptly paid in full when due or performed in accordance with the terms of the extension or renewal, whether at stated maturity, byacceleration or otherwise. Failing payment when due of any amount so

 

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guaranteed or any performance so guaranteed for whatever reason, the Note Guarantors and the Guaranteeing Subsidiary shall be jointly and severally obligated to pay the same immediately. This isa guarantee of payment and not a guarantee of collection. 

(b) The obligations hereunder shall beunconditional, irrespective of the validity, regularity or enforceability of the Notes, the Indenture or any other Note Guarantee, the absence of any action to enforce the same, any waiver or consent by any Holder of the Notes with respect to anyprovisions hereof or thereof, the recovery of any judgment against the Issuer, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable discharge or defense of a guarantor. 

(c) The following is hereby waived: diligence, presentment, demand of payment, filing of claims with a court in the event ofinsolvency or bankruptcy of either of the Issuer, any right to require a proceeding first against the Issuer, protest, notice and all demands whatsoever. 

(d) This Note Guarantee shall not be discharged except by complete performance of the obligations contained in the Notes, the Indenture and this Supplemental Indenture, and the Guaranteeing Subsidiaryaccepts all obligations of a Note Guarantor under the Indenture. 

(e) If any Holder or the Trustee is requiredby any court or otherwise to return to the Issuer, the Note Guarantors (including the Guaranteeing Subsidiary), or any custodian, trustee, liquidator or other similar official acting in relation to either the Issuer or the Note Guarantors, anyamount paid either to the Trustee or such Holder, this Note Guarantee, to the extent theretofore discharged, shall be reinstated in full force and effect. 

(f) The Guaranteeing Subsidiary shall not be entitled to any right of subrogation in relation to the Holders in respect of any obligations guaranteed hereby until payment in full of all obligationsguaranteed hereby. 

(g) As between the Guaranteeing Subsidiary, on the one hand, and the Holders and theTrustee, on the other hand, (x) the maturity of the obligations guaranteed hereby may be accelerated as provided in Article 6 of the Indenture for the purposes of this Note Guarantee, notwithstanding any stay, injunction or otherprohibition preventing such acceleration in respect of the obligations guaranteed hereby, and (y) in the event of any declaration of acceleration of such obligations as provided in Article 6 of the Indenture, such obligations (whether ornot due and payable) shall forthwith become due and payable by the Guaranteeing Subsidiary for the purpose of this Note Guarantee. 

(h) The Guaranteeing Subsidiary shall have the right to seek contribution from any non-paying Note Guarantor so long as the exercise of such right does not impair the rights of the Holders under this NoteGuarantee. 

(i) Pursuant to Section 10.02 of the Indenture, after giving effect to all other contingentand fixed liabilities that are relevant under any applicable Bankruptcy Law or fraudulent conveyance laws, and after giving effect to any collections from, rights to receive contribution from or payments made by or on behalf of any other NoteGuarantor in respect of the obligations of such other Note Guarantor under Article 10 of the Indenture, this new Note Guarantee shall be limited to the maximum amount permissible such that the obligations of such Guaranteeing Subsidiary under thisNote Guarantee will not constitute a fraudulent transfer or conveyance. 

 

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(j) This Note Guarantee shall remain in full force and effect and continueto be effective should any petition be filed by or against the Issuer or any Note Guarantor for liquidation, reorganization, should the Issuer or Note Guarantor become insolvent or make an assignment for the benefit of creditors or should a receiveror trustee be appointed for all or any significant part of the Issuer’s or any Note Guarantor’s assets, and shall, to the fullest extent permitted by law, continue to be effective or be reinstated, as the case may be, if at any timepayment and performance of the Notes are, pursuant to applicable law, rescinded or reduced in amount, or must otherwise be restored or returned by any obligee on the Notes or Note Guarantees, whether as a “voidable preference,”“fraudulent transfer” or otherwise, all as though such payment or performance had not been made. In the event that any payment or any part thereof, is rescinded, reduced, restored or returned, the Notes shall, to the fullest extentpermitted by law, be reinstated and deemed reduced only by such amount paid and not so rescinded, reduced, restored or returned. 

(k) In case any provision of this Note Guarantee shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected orimpaired thereby. 

(l) This Note Guarantee shall be a general unsecured senior obligation of the GuaranteeingSubsidiary, ranking *pari passu*with all existing and future Senior Pari Passu Indebtedness of the Guaranteeing Subsidiary, if any. 

(m) Each payment to be made by the Guaranteeing Subsidiary in respect of this Note Guarantee shall be made without set-off, counterclaim, reduction or diminution of any kind or nature. 

(3) Execution and Delivery. The Guaranteeing Subsidiary agrees that its Note Guarantee shall remain in full force and effectnotwithstanding the absence of the endorsement of any notation of such Note Guarantee on the Notes. 

(4) Merger,Consolidation or Sale of All or Substantially All Assets. 

(a) Except as otherwise provided inSection 5.01(b) of the Indenture, the Guaranteeing Subsidiary may not, and the Issuer will not permit the Guaranteeing Subsidiary to, consolidate, amalgamate or merge with or into or wind up into (whether or not the Guaranteeing Subsidiary isthe surviving corporation), or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of its properties or assets in one or more related transactions to, any Person unless: 

(1) either (a) such Guaranteeing Subsidiary is the surviving Person or the Person formed by or surviving any suchconsolidation, amalgamation or merger (if other than the Guaranteeing Subsidiary) or to which such sale, assignment, transfer, lease, conveyance or other disposition will have been made is a corporation, partnership or limited liability companyorganized or existing under the laws of the United States, any state thereof, the District of Columbia, or any territory thereof (the Guaranteeing Subsidiary or such Person, as the case may be, being herein called the “Successor NoteGuarantor”) and the Successor Note Guarantor (if other than the Guaranteeing Subsidiary) expressly assumes all the obligations of the Guaranteeing Subsidiary under this Indenture and the Guaranteeing Subsidiary’s applicable NoteGuarantee pursuant to a supplemental indenture or other documents or instruments in form reasonably satisfactory to the Trustee, or (b) such sale or disposition or consolidation, amalgamation or merger is not in violation of Section 4.10of the Indenture; 

 

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(2) the Successor Note Guarantor (if other than the Guaranteeing Subsidiary)shall have delivered or caused to be delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that such consolidation, amalgamation, merger or transfer and such supplemental indenture (if any) comply with theIndenture; and 

(3) immediately after such transaction, no Default or Event of Default exists. 

(b) Except as otherwise provided in the Indenture, the Successor Note Guarantor (if other than the Guaranteeing Subsidiary)will succeed to, and be substituted for, the Guaranteeing Subsidiary under the Indenture and the Guaranteeing Subsidiary’s applicable Note Guarantee, and the Guaranteeing Subsidiary will automatically be released and discharged from itsobligations under the Indenture and the Guaranteeing Subsidiary’s applicable Note Guarantee, but in the case of a lease of all or substantially all of its assets, the Guaranteeing Subsidiary will not be released from its obligations under theNote Guarantee. Notwithstanding the foregoing, (1) a Guaranteeing Subsidiary may merge, amalgamate or consolidate with an Affiliate incorporated solely for the purpose of reincorporating the Guaranteeing Subsidiary in another state of theUnited States, the District of Columbia or any territory of the United States so long as the amount of Indebtedness, Preferred Stock and Disqualified Stock of the Guaranteeing Subsidiary is not increased thereby and (2) a GuaranteeingSubsidiary may merge, amalgamate or consolidate with another Guaranteeing Subsidiary or the Issuer. 

(c) Inaddition, notwithstanding the foregoing, the Guaranteeing Subsidiary may consolidate, amalgamate or merge with or into or wind up into, or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of its properties orassets (collectively, a “Transfer”) to (x) the Issuer or any Note Guarantor or (y) any Restricted Subsidiary that is not a Note Guarantor; provided that at the time of each such Transfer pursuant to clause(y) the aggregate amount of all such Transfers since the Issue Date shall not exceed the greater of $625.0 million and 5.0% of Total Assets after giving effect to each such Transfer and including all Transfers of the Guaranteeing Subsidiary andthe Note Guarantors occurring from and after the Issue Date (excluding Transfers in connection with the Transactions). 

(5)Releases. 

The Note Guarantee of the Guaranteeing Subsidiary shall be automatically and unconditionally released anddischarged, and no further action by the Guaranteeing Subsidiary, the Issuer or the Trustee is required for the release of the Guaranteeing Subsidiary’s Guarantee, upon: 

(1)(a) the sale, disposition or other transfer (including through merger or consolidation) of the Capital Stock (includingany sale, disposition or other transfer following which the Guaranteeing Subsidiary is no longer a Restricted Subsidiary), of the Guaranteeing Subsidiary if such sale, disposition or other transfer is made in compliance with the applicableprovisions of the Indenture; 

(b) the Issuer designating the Guaranteeing Subsidiary to be an UnrestrictedSubsidiary in accordance with the provisions set forth under 4.07 of the Indenture and the definition of “Unrestricted Subsidiary”; 

(c) the release or discharge of such Restricted Subsidiary from (x) its guarantee of Indebtedness under the Credit Agreement (including by reason of the termination of the Credit Agreement) and/or(y) the guarantee of Indebtedness of the Issuer or any Restricted Subsidiary of the Issuer or such Restricted Subsidiary or the repayment of the Indebtedness or Disqualified Stock (except in each case a discharge or release by or as a result ofpayment under such guarantee) that resulted in the obligation to guarantee the Notes, in the case of each of clauses (x) and (y) if the Guaranteeing Subsidiary would not then otherwise be required to guarantee the Notes pursuant to thisIndenture; provided**, that if such Person has incurred any Indebtedness or issued any Disqualified Stock in reliance on its status as a

 

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Note Guarantor under Section 4.09 of the Indenture, the Guaranteeing Subsidiary’s obligations under such Indebtedness or Disqualified Stock, as the case may be, so Incurred aresatisfied in full and discharged or are otherwise permitted to be Incurred under Section 4.09 of the Indenture; or 

(d) the Issuer exercising its Legal Defeasance option or Covenant Defeasance option in accordance with Article 8 of the Indenture or the Issuer’s obligations under the Indenture being discharged inaccordance with the terms of the Indenture; and 

(2) in the case of clause (1)(a) above, the release ofthe Guaranteeing Subsidiary from its guarantee, if any, of, and all pledges and security, if any, granted in connection with, the Credit Agreement and any other Indebtedness of the Issuer or any Restricted Subsidiary. 

In addition, a Note Guarantee will also be automatically released upon the Guaranteeing Subsidiary ceasing to be a Subsidiary as a result of any foreclosureof any pledge or security interest securing Bank Indebtedness or other exercise of remedies in respect thereof. 

(6) NoRecourse Against Others. No director, officer, employee, incorporator or holder of any Equity Interests of the Guaranteeing Subsidiary or any direct or indirect parent (other than the Guaranteeing Subsidiary) shall have any liability for anyobligations of the Issuer or the Note Guarantors (including the Guaranteeing Subsidiary) under the Notes, the Note Guarantees, the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligationsor their creation. Each Holder by accepting Notes waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. 

(7) Governing Law. THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 

(8) Counterparts/Originals. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be anoriginal, but all of them together represent the same agreement. 

(9) Effect of Headings. The Section headings hereinare for convenience only and shall not affect the construction hereof. 

(10) The Trustee. The Trustee shall not beresponsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiary.

(11) Subrogation. The Guaranteeing Subsidiary shall be subrogated to all rights of Holders of Notes against the Issuerin respect of any amounts paid by the Guaranteeing Subsidiary pursuant to the provisions of Section 2 hereof and Section 10.01 of the Indenture; provided that, if an Event of Default has occurred and is continuing, the GuaranteeingSubsidiary shall not be entitled to enforce or receive any payments arising out of, or based upon, such right of subrogation until all amounts then due and payable by the Issuer under the Indenture or the Notes shall have been paid in full.

(12) Benefits Acknowledged. The Guaranteeing Subsidiary’s Guarantee is subject to the terms and conditions setforth in the Indenture. The Guaranteeing Subsidiary acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by the Indenture and this Supplemental Indenture and that the guarantee and waivers madeby it pursuant to this Note Guarantee are knowingly made in contemplation of such benefits. 

 

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(13) Successors. All agreements of the Guaranteeing Subsidiary in this SupplementalIndenture shall bind its successors, except as otherwise provided in Section 2(k) hereof or elsewhere in this Supplemental Indenture. All agreements of the Trustee in this Supplemental Indenture shall bind its successors. 

[Signatures on following pages] 

 

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be dulyexecuted, all as of the date first above written. 

 
NRT REFERRAL NETWORK LLCBy: /S/    SETHTRUWIT         **Name: Seth Truwit** **Title: Senior Vice President and Assistant Secretary**
[Supplemental Indenture No. 13 (Toggle Notes)] 

THE BANK OF NEW YORK MELLON (formerly known as THE BANK OF NEW YORK), as TrusteeBy: /S/    FRANCA M.FERRERA         **Name: Franca M. Ferrera** **Title: Senior Associate**
[Supplemental Indenture No. 13 (Toggle Notes)]