Cost of collection of lien for assessments, §44-3-109. Foreclosure of lien on leasehold condominiums, §44-3-86. Performance of defaulted covenant in leasehold condominium, §44-3-86. Sales of residential condominium units for residential occupancy. Actions against sellers, §44-3-111. Boundaries. Reallocation of boundaries between units, §44-3-91. Building codes. Effect of article on building code laws, §44-3-114. Burden of proof.