Title 4 - Tax Registration and Deregistration
Article 17
Voluntary Registration
Any Person who is not obligated to apply for Tax Registration according to this Chapter may voluntarily apply for Tax Registration in the following cases:
If he proves, at the end of any given month, that the total value of supplies referred to in Article 19 of this Decree-Law or the expenses which are subject to Tax and were incurred during the previous 12-month period, has exceeded the Voluntary Registration Threshold.
At any time that he anticipates that the total value of supplies stipulated in Article 19 of this Decree-Law or the expenses which are subject to Tax that will be incurred during the following 30-day period, will exceed the Voluntary Registration Threshold.