EXHIBIT 10.12 LIMITED PARTNERSHIP AGREEMENT OF CAC II LIMITED PARTNERSHIP This LIMITED PARTNERSHIP AGREEMENT (the "Partnership Agreement") is made as of March 6, 2001 by and between CAC II Special General, Inc., a Virginia corporation, the general partner ("General Partner"), and CAC II Special Limited, Inc., a Virginia corporation, the limited partner ("Limited Partner"). INTRODUCTION A. The General Partner and the Limited Partner (collectively, the "Partners") have formed a limited partnership (the "Partnership") pursuant to the provisions of the Virginia Revised Uniform Limited Partnership Act (the "Act"), effective March 6, 2001. The General Partner and the Limited Partner are each wholly-owned subsidiaries of Cornerstone Acquisition Company, a Virginia corporation. B. The rights, duties and obligations of the Partners shall be governed by the Act except as otherwise provided in this Partnership Agreement. The term "Person," as used herein, means an individual or an entity. ARTICLE I ORGANIZATIONAL MATTERS 1.1 Name. The name of the Partnership is CAC II Limited Partnership. The Partnership may trade or transact business under such other names as may be selected by the General Partner. 1.2 Purpose. The Notwithstanding any provision hereof to the contrary, the following shall govern: The nature of the Partnership's business, and of the purposes to be conducted and promoted by the Partnership, are limited solely to the following activities: (a) To own, hold, sell, assign, transfer, operate, lease, mortgage, pledge and otherwise deal with those certain parcels of real property listed on Exhibit A hereto, together with all improvements located thereon (collectively, the "Properties"); (b) To exercise all powers that are enumerated in the Act and are necessary or convenient to the conduct, promotion or attainment of the business or purposes of the Partnership as set forth herein. 1.3 FILINGS. (a) The Partnership has filed a certificate of limited partnership with the State Corporation Commission of Virginia pursuant to Section 50-73.11 of the Code of Virginia (the "Certificate"). (b) The Certificate designates 306 East Main Street, Richmond, Virginia 23219 as the office where records of the Partnership are kept (the "Principal Office"). The Certificate designates Martin B. Richards, Esquire, as the registered agent at the following registered office: c/o McGuireWoods LLP, One James Center, 901 East Cary Street, Richmond, Virginia 23219. ARTICLE II MANAGEMENT, PROHIBITED ACTIVITIES AND SEPARATENESS COVENANTS 2.1 THE GENERAL PARTNER. The General Partner shall have the sole and exclusive right, duty and power to manage the business of the Partnership, including, without limitation, the right and power to: (a) acquire, hold, sell, maintain, encumber, improve, develop or lease the Partnership's property, whether real or personal, and any interest therein on such terms and conditions as the General Partner deems advisable. (b) borrow money on behalf of the Partnership, secure any such borrowings with assets of the Partnership, and repay the same at any time or from time to time; (c) establish investment accounts for the Partnership and deposit and withdraw funds in or from such accounts; (d) assign, compromise or release any claim of, or debt due to, the Partnership; (e) institute and defend actions at law or in equity on behalf of the Partnership and consent to arbitrate any disputes or controversies of the Partnership; (f) engage and retain accountants, lawyers and other professionals to perform services for the Partnership, and purchase such goods and other services as may be required to conduct the business of the Partnership; and (g) enter into such contracts and perform such other acts as may be necessary to further the business of the Partnership. 2 2.2. CERTAIN PROHIBITED ACTIVITIES. Notwithstanding any provision hereof to the contrary, the following shall govern: (a) The indebtedness of the Partnership shall consist only of a first lien mortgage on the Properties arising from financing by First Union National Bank (the "Mortgage"), any other indebtedness permitted under the Mortgage, and normal trade accounts payable in the ordinary course of business. For so long as any obligation secured by the Mortgage remains outstanding and not paid in full, the Partnership shall not incur, assume, or guaranty any indebtedness not permitted hereunder. (b) The Partnership shall not consolidate or merge with or into any other entity, or convey or transfer its properties and assets substantially as an entirety to any entity, unless: (i) the entity that is formed upon such consolidation, that survives such merger (if other than the Partnership), or that acquires by conveyance or transfer the properties and assets of the Partnership substantially as an entirety, shall: (A) be organized and existing under the laws of the United States of America or any State or the District of Columbia, (B) include in its organizational documents the same limitations set forth in this Article II and in Section 2.3 hereof (Separateness Covenants), and (C) expressly assume the due and timely performance of the Partnership's obligations; and (ii) immediately after giving effect to such transaction, no default or event of default will have occurred under any agreement to which the Partnership is a party. (c) For so long as any obligation secured by the Mortgage remains outstanding and not paid in full, the Partnership shall not voluntarily commence a case with respect to itself, as debtor, under the Federal Bankruptcy Code or any similar federal or state statute without the unanimous consent of the Partners. For so long as any obligation secured by the Mortgage remains outstanding and not paid in full, no material amendment to this Partnership Agreement may be made without the prior approval of the mortgagee holding the Mortgage. 2.3 SEPARATENESS COVENANTS. Notwithstanding any provision hereof to the contrary, the following shall govern: For so long as any obligation secured by the Mortgage remains outstanding and not paid in full, in order to preserve and ensure the Partnership's separate and distinct identity, in addition to the other provisions set forth in this Partnership Agreement, the Partnership shall conduct its affairs in accordance with the following provisions: (a) It shall establish and maintain an office through which its business shall be conducted separate and apart from those of its Partners and any affiliate and it shall allocate fairly and reasonably any overhead for shared office space. (b) It shall maintain separate records and books of account from those of its Partners and any affiliate. 3 (c) All actions by the Partnership shall be authorized by the General Partner, who shall observe all necessary formalities in connection with such authorization. (d) It shall not commingle assets with those of its Partners or any affiliate. (e) It shall conduct its own business in its own name. (f) It shall maintain financial statements separate from its Partners and any affiliate. (g) It shall pay any liabilities out of its own funds, including salaries of any employees, not funds of its Partners or any affiliate. (h) It shall maintain an arm's length relationship with its Partners and any affiliate. (i) It shall not guarantee or become obligated for the debts of any other person or entity (including, without limitation, its Partners or any affiliate) and shall not hold out its credit as being available to satisfy the obligations of others. (j) It shall use stationery, invoices and checks separate from its Partners and any affiliate. (k) It shall not pledge its assets for the benefit of any other person or entity (including, without limitation, its Partners or any affiliate). (l) It shall hold itself out as an entity separate from its Partners and any affiliate. (m) It shall not make any loans or advances to any third party (including, without limitation, any affiliate). (n) It shall comply with its obligations under the agreements and instruments evidencing the Mortgage. 2.4 DEFINITIONS. For purpose of this Article II, the following terms shall have the indicated meanings: (a) "affiliate" means, with respect to a specified person or entity: (i) any person or entity directly or indirectly owning, controlling or holding with power to vote ten percent (10%) or more of the outstanding voting securities or interests of the specified entity; (ii) any person or entity ten percent (10%) or more of whose outstanding voting securities or interests are directly or indirectly owned, controlled or held with power to vote by the specified person or entity; 4 (iii) any person or entity directly or indirectly controlling, controlled by or under common control with the specified person or entity; (iv) any officer, director or partner of the specified person or entity; (v) if the specified person or entity is an officer, director or partner, any company for which the specified person or entity acts in any such capacity; and (vi) any close relative or spouse of the specified person. (b) "control" means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of a person or entity, whether through ownership of voting securities, by contract or otherwise. (c) "person or entity" means any individual, corporation, partnership, limited liability company, joint venture, association, joint stock company, trust (including any beneficiary thereof), unincorporated organization, government or any agency or political subdivision thereof. ARTICLE III LIMITED PARTNERS 3.1 PARTICIPATION IN MANAGEMENT. The Limited Partner shall not participate in the management or control of the business of the Partnership, and shall have no power to sign for or bind the Partnership. ARTICLE IV CAPITAL; PROFITS AND LOSSES; DISTRIBUTIONS 4.1 CAPITAL CONTRIBUTIONS. Each of the Partners has contributed to the capital of the Partnership the property set forth on Exhibit B hereto. The Partners shall not be required to make any additional capital contributions except as required by law, but the Partners may make such additional contributions of cash or property as they may mutually agree. No Partner shall have any right to require the return of all or any part of its capital, or to receive interest with respect thereto. 4.2 CAPITAL ACCOUNTS. A separate capital account ("Capital Account") shall be maintained for each Partner. The value of each Capital Account shall be the sum of the cash contributions to the account, the agreed upon value of contributions of property to the account and the share of Partnership profits allocated to the account, less all distributions made from the account and the share of Partnership losses allocated to the account. 4.3 PROFITS AND LOSSES. The net profits and net losses of the Partnership for any period (except for the profits and losses upon dissolution) shall be credited or charged to the 5 Capital Accounts of the Partners in the percentages set forth on Exhibit B under the heading "Partners Percentages," as the same may be amended from time to time (the "Partners Percentages"). 4.4 DISTRIBUTIONS. Any cash which, in the opinion of the General Partner, is not reasonably required for the operation of the business of the Partnership or for Partnership reserves (other than amounts distributed upon dissolution) shall be distributed to the Partners in accordance with the Partners Percentages not less frequently than each calendar quarter. Other distributions of assets may be made form time to time in the same manner. 4.5 LOANS. A loan by a Partner to the Partnership shall not be considered a capital contribution and shall be repaid as debt of the Partnership. ARTICLE V INDEMNIFICATION 5.1 REQUIREMENT. The Partnership shall indemnify each Partner, and each director and officer of a Partner (an "Indemnified Person"), against any and all liabilities and expenses (including but not limited to reasonable legal fees and costs) arising directly or indirectly from any action, suit or proceeding, whether civil, criminal, administrative, arbitrative or investigative, and whether formal or informal, that is brought or threatened against an Indemnified Person solely because such Indemnified Person served as a Partner or as a director or officer of a Partner, or served at the request of the Partnership as a fiduciary for an employee benefit plan or other plan related to the business of the Partnership. Notwithstanding the foregoing, the Partnership shall not be required to indemnify a Partner, or a director or officer of a Partner, against any liabilities or expenses arising from any breach of this Partnership Agreement, willful misconduct or knowing violation of law. 5.2 RELATED ACTIONS. The Partnership shall promptly make advances or reimbursements for reasonable expenses (including but not limited to reasonable legal fees and costs) incurred by a Partner, or a director or officer of a Partner, claiming indemnification under this Article unless it has been determined that such Partner, director or officer is not entitled to indemnification. Advances or reimbursements made prior to such determination shall be conditioned upon the Partnership's receipt of a written undertaking by the Partner, director or officer claiming indemnification to repay the amount of such advances or reimbursements if it is ultimately determined that such Partner, director or officer is not entitled to indemnification. 5.3 MANDATORY SUBORDINATION. Notwithstanding any provision hereof to the contrary, the following shall govern: Any indemnification shall be fully subordinated to any obligations respecting the Properties and shall not constitute a claim against the Partnership in the event that cash flow is insufficient to pay such obligations. 6 ARTICLE VI EVENTS OF DISSOLUTION 6.1 EVENTS OF DISSOLUTION. The Partnership shall only be dissolved: (a) upon the election of the General Partner; (b) at such time as there is no General Partner serving unless, within ninety (90) days, the Limited Partner consents to continue the business of the Partnership and appoints one or more General Partners; (c) upon automatic cancellation of the certificate of limited partnership for failure to pay annual registration fees, unless steps are taken promptly to obtain reinstatement; or (d) by judicial decree. ARTICLE VII DISSOLUTION, WINDING UP AND TERMINATION 7.1 GENERAL. Upon dissolution without continuation, the business of the Partnership shall be wound up by the General Partner or, if there is no General Partner, by a representative designated by the Limited Partner (either of which or whom is hereinafter referred to as the "Liquidating Representative"). The Liquidating Representative shall proceed with reasonable promptness to liquidate the business and assets of the Partnership and may determine whether, and to which Partners, properties should be distributed in kind. Partnership assets shall be distributed in the following order: (a) to creditors of the Partnership, including Partners who are creditors, in the order of priority provided by law or contract; (b) to the creation of such reserves for contingencies as the Liquidating Representative may deem necessary or advisable; (c) to the Limited Partner to the extent of its contribution to capital; (d) to the General Partner to the extent of its contribution to capital; (e) to the Partners, General and Limited, according to their Capital Account balances, after all adjustments. 7 ARTICLE VIII MISCELLANEOUS 8.1 BOOKS OF ACCOUNT AND RECORDS. The Partnership shall keep complete books of account at the Principal Office and such books shall be open to examination by the Partners and the authorized representatives of each of them during normal business hours. The books shall be kept on a cash or accrual basis, as determined by the General Partner. 8.2 TAX COMPLIANCE. Notwithstanding anything to the contrary contained in this Partnership Agreement, all actions taken in the conduct of the business of the Partnership, or on its dissolution, shall comply with the provisions of Section 704 of the Internal Revenue Code of 1986, as amended (the "Code"), and the Regulations thereunder. The General Partner shall be the "Tax Matters Partner" required by the Code. 8.3 POWER OF ATTORNEY. The Limited Partner hereby appoints the General Partner as its attorney-in-fact, or agent, to execute, acknowledge, deliver and file in its name any document required by law to be filed by the Partnership or the Limited Partner with any governmental body or agency. Any such appointment is a special power, coupled with an interest, and shall remain in effect as long as the Partner granting it has any interest in the Partnership or remains responsible for any obligations under this Partnership Agreement. 8.4 COUNTERPARTS. This Partnership Agreement may be executed in counterparts, each of which shall be deemed an original but which together shall constitute one and the same instrument. 8.5 AMENDMENTS. This Partnership Agreement may be amended only with the written consent of the General Partner and the Limited Partner. 8.6 THIRD PARTIES; SUCCESSORS AND ASSIGNS. The agreements contained herein are for the benefit of the parties hereto and their permitted successors and assigns and are not for the benefit of any third parties, such as, without limitation, creditors of the Partnership. 8.7 HEADINGS. The section headings in this Partnership Agreement are included for convenience only and shall not affect the interpretation of this Partnership Agreement. 8.8 INTERPRETATION. This Partnership Agreement is executed and delivered in the Commonwealth of Virginia and shall be construed and enforced in accordance with its laws, without regard to any choice of law rules to the contrary. 8 WITNESS the following signatures: GENERAL PARTNER: CAC II Special General, Inc. - --------------- By: /s/ Stanley J. Olander,Jr. -------------------------- Stanley J. Olander, Jr., Vice President LIMITED PARTNER: CAC II Special Limited, Inc. - --------------- By: /s/ Stanley J. Olander, Jr. --------------------------- Stanley J. Olander, Jr., Vice President 9 Exhibit A (List of Properties) The Properties consist of those real properties, together with all improvements thereon, that are located at the following addresses: Canyon Hills 6307 Bluff Springs Road Austin, Texas 78744 Park Village 2401 L. Don Dodson Drive Bedford, Texas 76021 Summer Tree 13250 Emily Road Dallas, Texas 75240 The Courts on Pear Ridge 5050 Pear Ridge Road Dallas, Texas 75287 10 Exhibit B (Capital Contributions) Name and Capital Partners Business Address Contributions Percentages ---------------- ------------- ----------- General Partner: CAC II Special General, Inc. $1.00 1% 306 East Main Street Richmond, Virginia 23219 Limited Partner: CAC II Special Limited, Inc. $99.00 99% 306 East Main Street Richmond, Virginia 23219