The travel document referred to In article 28 of this Convention shall be similar to the specimen annexed hereto. 2. The document shall be made out in at least two languages. one of which shall be English or French. Paragraph 2 Subject to the regulations obtaining in the country of issue. children may be included in the travel document of a parent or. in exceptional circumstances. of another adult refugee. Paragraph 3 The fees charged for issue of the document shall not exceed the lowest scale of charges for national passports. Paragraph 4 Save In special or exceptional cases. the document shall be made valid for the largest possible number of countries.