The housing benefit law plays a crucial role, especially for people with low income or retirees whose earnings do not exclude them from receiving basic security in old age, in the context of increasing poverty traps. Social law counseling must repeatedly master difficult interpretative questions. The new commentary on the Housing Benefit Act addresses the current housing benefit law in all its facets and presents solutions to common questions in everyday counseling and administrative practice, such as all relevant interpretative questions regarding the legally anchored entitlement to benefits, their limits such as amount, the distinction from basic security benefits, the administrative procedures to be observed in legal application, overlaps with foreign and European law, or the specifics of income determination, particularly regarding delineation.