REVENUE REGULATIONS NO. 12-2012 issued on October 12, 2012 prescribes the rules on the deductibility of depreciation expenses as it relates to purchase of vehicles and other expenses related thereto, and input taxes allowed therefor, to wit: a. No deduction from gross income for depreciation shall be allowed unless the taxpayer substantiates the purchase with sufficient evidence, such as official receipts or other adequate records which contain the following, among others: i. Specific Motor Vehicle Identification Number, Chassis Number or other registrable identification numbers of the vehicle; ii. The total price of the specific vehicle subject to depreciation; and iii. The direct connection or relation of the vehicle to the development, management, operation and/or conduct of the trade or business or profession of the taxpayers. b. Only one vehicle for land transport is allowed for the use of an official or employee, the value of which should not exceed Two Million Four Hundred Thousand Pesos (Php 2,400,000.00); c. No depreciation shall be allowed for yachts, helicopters, airplanes and/or aircrafts and land vehicles which exceed the above threshold amount, unless the taxpayer’s main line of business is transport operations or lease of transportation equipment and the vehicles purchased are used in said operations; d. All maintenance expenses on account of non-depreciable vehicles for taxation purposes are disallowed in its entirety; e. The input taxes on the purchase of non-depreciable vehicles and all input taxes on maintenance expenses incurred thereon are likewise disallowed for taxation purposes.