6.0.2. Where a person has acquired land in accordance with section 6 and there is no building thereon intended to be used for the purposes set out in that section, the person shall, before alienating all or part of the land prior to the expiry of the time within which the land may be taken back by the local municipality under the second paragraph of section 6.0.1, offer the land to the municipality for a price not exceeding the price paid to the municipality for its acquisition.