Division .1.2 For new ships carrying not more than 36 passengers and existing class B ships carrying more than 36 passengers all bulkheads within accommodation and service spaces which are not required to be ‘A’ class divisions shall be at least ‘B’ class or ‘C’ class divisions as prescribed in the tables in Regulation II-2/B/5.F1
United Kingdom
All such divisions may be faced with combustible materials in accordance with the provisions of Regulation 11.