Serviceco’s responsibilities shall not include the preparation of any regulatory application, or maintenance or construction activities related to an expansion of the PNGTS Pipeline (a “Facilities Expansion”). Any activities related to the planning and construction of a Facilities Expansion, including design, regulatory and environmental authorizations and applications, equipment purchases, construction management and land acquisition shall be considered Additional Services. If a Facilities Expansion is proposed and built by the Partnership, the Parties’ responsible executive officers will meet to negotiate an increase in the fees for the services provided pursuant to this Agreement based on the additional operational requirements of the PNGTS Pipeline, and, if the Parties are not able to agree on an increased fee within four days of the commencement of negotiations, either party may require that the increased fee set by binding commercial arbitration in using the procedures set out in Section 12 of the Partnership Agreement.