What must HCV applicant families disclose for each household member?

The correct choice highlights the requirement for Housing Choice Voucher (HCV) applicant families to disclose Social Security Numbers (SSNs) for all household members, except for individuals who are noncontending or do not require it based on specific criteria. This means that every eligible member of the household, typically including minors, must have their SSN provided during the application process. This requirement ensures that there is proper identification and record-keeping for eligibility assessments, subsidy calculations, and compliance with federal regulations.

The rationale behind having SSNs for all eligible members is rooted in the need to verify identity and to ensure that the program is serving the correct individuals. This policy also helps to prevent fraud and guarantees that benefits are allocated appropriately.

In contrast, other choices suggest limited requirements regarding SSNs, such as only needing the head of household's SSN, which does not align with the broader verification purposes of the HCV program. Similarly, the notion that no disclosure is needed for individuals under 18 minimizes the importance of accurate data collection for all household members. Hence, emphasizing SSN disclosure for all relevant individuals, excluding only those who do not contest or participate, aligns with the established protocols in HCV applications.