4.2.10 Keys 00305 and 00306 amortization of fixed assets allocated to research and development activities (Art. 12.3.b) LIS)

According to the provisions of article 12.3.b) of the LIS , for the purposes of Corporate Tax, tangible and intangible fixed assets, excluding buildings, used for research and development activities may be freely amortized. Buildings can be depreciated on a straight-line basis over a period of 10 years, from when they are put to use for research and development activities.

In key [00306] (decreases) the excess amortization over the accounting amortization that is deductible in the cases provided for in the aforementioned letter b) in the tax period subject to declaration will be recorded.

In key [00305] (increases) the amount of amortizations (relating to any of the elements referred to) recorded in the tax period subject to declaration and which, by application of said tax rule, had already been deducted in previous tax periods through the corresponding decrease to the accounting result will be recorded. Likewise, in the event of the transfer of an item that has benefited from the freedom of depreciation, in the tax period in which it is transferred, the amount of the negative adjustments made previously and that have not yet been positively integrated into the tax base must be included in this key.