constitute the single agreement between the parties. 4.5 HEADINGS. The section headings used in this Agreement are for reference and convenience only and shall not enter into the interpretation of this Agreement. 4.6 RELATIONSHIP OF PARTIES. SHPS shall be and remain an independent contractor with respect to the performance of its obligations under this Agreement. Nothing contained in this Agreement shall be deemed to constitute either of the parties a joint venturer or partner of the other. 4.7 APPROVALS AND SIMILAR ACTIONS. Where agreement, approval, acceptance, consent, or similar action by either party is required by any provision of this Agreement, such action shall not be unreasonably delayed or withheld. 4.8 SEVERABILITY. If any provision of this Agreement is declared or found to be illegal, unenforceable, or void, then both parties shall be relieved of all obligations arising under such provision, but only to the extent that such provision is illegal, unenforceable, or void. 4.9 WAIVER. No delay or omission by either party to exercise any right or power in this Agreement shall impair such right or power or be construed to be a waiver of such right or power. A waiver by either of the parties shall not be construed to be a waiver of any succeeding breach or of any other covenant contained in this Agreement. 4.10 AMENDMENTS. No amendment, change, waiver, or discharge of this Agreement shall be valid unless in writing and signed by an authorized representative of the party against which such amendment, change, waiver, or discharge is sought to be enforced. 4 5 4.11 ENTIRE AGREEMENT. This Agreement constitutes the entire agreement between the parties with respect to the subject matter of this Agreement and there are no representations, understandings or agreements relating to this Agreement which are not fully expressed in this Agreement.