What document is essential for proving compliance with housing regulations?

The correct answer is land use permits, as these documents are critical for ensuring that a development complies with local housing regulations. Land use permits typically outline the specific zoning requirements, land use designations, and any conditions imposed by local authorities that a developer must adhere to during the construction and operational phases of a project. These permits demonstrate that the project aligns with municipal planning goals, environmental standards, and safety regulations, providing necessary oversight to protect community interests.

In contrast, marketing brochures are primarily used for promoting the properties and do not serve as official documentation for compliance with regulations. Sales reports reflect market performance and transaction data rather than the legal compliance aspect of development. Developer licenses are important for establishing a developer's credentials and ability to operate within a jurisdiction but do not inherently demonstrate compliance with specific housing regulations related to land use or zoning. Therefore, land use permits are the essential document for proving compliance in subdivision development.