In <cite data-path="|13|6">this subtitle</cite>, the following rules of interpretation apply. The time periods specified in this subtitle are minimum periods. A landlord may provide a tenant with reasonable extensions of time to purchase the rental single-family dwelling unit. Potential third-party purchasers are presumed to act with full knowledge of the rights and procedures established in <cite data-path="|13|6">this subtitle</cite>. Unless otherwise expressly stated in <cite data-path="|13|6">this subtitle</cite>, delivery of items required by <cite data-path="|13|6">this subtitle</cite> shall be made either by first-class mail or hand-delivery to the required party. To the extent possible, any defect or ambiguity in <cite data-path="|13|6">this subtitle</cite> shall be resolved in favor of tenants.