Which of the following must be documented according to the AFHMP guidelines?

The requirement to document eligibility verification for assistance according to the Affirmative Fair Housing Marketing Plan (AFHMP) guidelines is essential because it ensures that housing providers adhere to fair housing laws and promote equal access to housing resources. This documentation serves multiple purposes: it maintains compliance with regulations set forth by the U.S. Department of Housing and Urban Development (HUD), provides a clear record of the criteria used to qualify tenants, and helps prevent discrimination against protected classes.

In the context of AFHMP, verifying eligibility for assistance directly impacts how resources and opportunities are allocated, thereby supporting the goal of equitable housing access. By keeping thorough records, housing providers can demonstrate their commitment to fair housing practices and facilitate monitoring and evaluation processes.

The other options, while potentially relevant to property management, do not align with the specific requirements outlined by the AFHMP. Documenting vacancies, tenant complaints, or local market trends does not pertain directly to the guidelines intended to ensure fair marketing and equal opportunity in housing. These aspects are important for operational management, but they fall outside the purview of the AFHMP focus on eligibility and fair access.