&#39;a bar&#39; means &#39;prohibiting completely&#39; or &#39;the possibility of prohibiting&#39;?
<p><em>Failure to provide the information required under sub-section (1) of this section is <strong>a bar</strong> to a claim for compensation under this Act, unless the Board is satisfied that the -</em></p>

<p>In the sentence above, I wonder whether the word 'a bar' means 'prohibiting someone <strong>completely</strong>' or 'the <strong>possibility</strong> of prohibiting someone'. (Frankly speaking, I'm not convinced that the usage of the verb 'prohibit' is correct but I just want to know whether it is sort of possibility or not. </p>

<p>A bar means to prohibit. When used in a statute as this is there is no discretion for the prohibition to be waived (subject to whatever the board can be satisfied about).</p>

legal-terms