Subchapter IV-A. District’s Opportunity to Purchase. § 42–3404.31. District’s opportunity to purchase certain housing accommodations. § 42–3404.32. Limitations on the District’s opportunity to purchase. § 42–3404.33. Limitations on the District as purchaser of a housing accommodation. § 42–3404.34. Procedure for District to effectuate purchase. § 42–3404.35. Rights of tenants not abrogated. § 42–3404.36. Assignment of District rights. § 42–3404.37. Rules.