Basic Income is always unconditional and doesn’t have a work requirement or means test
Van Parijs 92 (Van Parijs, Phillippe. Prof@ the Faculty of Economic, Social and Political Sciences of the University of Louvain, Directs the Hoover Chair of Economic and Social Ethics since its creation in 1991.”Competing justifications of basic income” Page 1-2. Published 1992.)
A basic income is an income unconditionally paid to all on an individual basis, without means test or work requirement.1 In other words, it is a form of minimum income guarantee that differs from those that now exist in various European countries through its being paid
(1) to individuals rather than households;
(2) irrespective of any income from other sources; and
(3) without requiring any present or past work performance nor the willingness to accept a job if offered.2
Thus, the expression "basic income" is here meant to convey both the notion that it is granted by virtue of an unconditional entitlement, and the idea that any income from other sources will come on top of the basis it provides. But it is not meant to suggest a link with so-called basic needs. As the expression will here be used, a basic income can in principle fall short of as well as exceed whatever level of income is deemed sufficient to cover a person's basic needs.3