Book excerpt: This publication informs advocates & others in interested agencies & organizations about supplemental security income (SSI) eligibility requirements & processes. It will assist you in helping people apply for, establish eligibility for, & continue to receive SSI benefits for as long as they remain eligible. This publication can also be used as a training manual & as a reference tool. Discusses those who are blind or disabled, living arrangements, overpayments, the appeals process, application process, eligibility requirements, SSI resources, documents you will need when you apply, work incentives, & much more.