Article 6 Payment of the levy
Subject to the provisions of this article and of articles 7 and 8, the amount of the levy payable under an assessment notice served by the Board shall be due and payable to the Board in two instalments:–
the first instalment, being that portion of the levy from which, in accordance with Article 4 above, exemption certificates are not to exempt any employer in the industry, on 1st June 1987, and
the second instalment, being the remainder of the levy, on 1st January 1988.
The amount of an assessment shall not be recoverable by the Board until there has expired the time allowed for appealing against the assessment by Article 8(1) of this Order and any further period or periods of time that the Board or an industrial tribunal may have allowed for appealing under paragraph (2) or (3) of that Article or, where an appeal is brought, until the appeal is decided or withdrawn.