"Article 1.-replace the second paragraph of article 4 ° transitional law No. 19.302 by the following:"from the hundred and twenty days of the entry into force of this regulation, and for the purposes telephone public service, excluding mobile telephony, the country shall constitute a primary zone, in shape and progression that the Undersecretariat of telecommunications defines by the corresponding technical standard; " process which in any case must be concluded within a maximum period of one hundred eighty days. For purposes of implementation as provided in this law, the period specified in the second paragraph of article 24 of law No. 18,168 shall not be considered. "."