The Developer shall have, and expressly reserves, the right (but not the obligation), from time to time, to add to the existing Subdivision and to the operation of the provisions of this Declaration other adjacent or nearby lands (without reference to any tract, street, park or right of way) (regardless of whether the additional property is part of the property platted as Austin Meadows or is known by a name other than Austin Meadows) by executing, acknowledging and recording in the Recording Office a written instrument subjecting such additional property to all of the provisions hereof as though such land had been originally described herein and subjected to the provisions hereof; provided, however, that such declaration or agreement may contain such deletions, additions and modifications of the provisions of this Declaration applicable solely to such additional property as may be necessary or desirable, as solely determined by the Developer in its absolute discretion.