Section 8(6) in The Authority for Advance Rulings (Customs, Central Excise and Service Tax) Procedure Regulations, 2005
(6)Every application, its verification, annexures, statements and supporting documents shall be on A-4 size paper and should be neatly and legibly written typed or printed leaving a left margin of 5 cms. and only on one side of a page in double-line spacing.
