You must keep all the required documentation for a period of six (6) years.

Records related to assets that are depreciable over a period of more than six (6) years must be maintained for the depreciable life of the assets, plus an additional year.

Special obligations for taxable persons trading and processing investable gold. Taxable persons must keep records of investable gold transactions and keep the documentation for ten (10) years, except for the relevant Law on Tax Administration and Procedures after the end of the year to which that document refers.