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1. National laws or regulations, collective agreements or arbitration awards may authorise the partial payment of wages in the form of allowances in kind in industries or occupations in which payment in the form of such allowances is customary or desirable because of the nature of the industry or occupation concerning; the payment of wages in the form of liquor of high alcoholic content or of noxious drugs shall not be permitted in any circumstances.
2. In cases in which partial payment of wages in the form of allowances in kind is authorised, appropriate measures shall be taken to ensure that —
(a) such allowances are appropriate for the personal use and benefit of the worker and his family; and
(b) the value attributed to such allowances is fair and reasonable.