1. Where it recruits people who intend to be electors in a primary election under Article 57-2 (1) or conducts public opinion polls for the primary election; 2. Other cases where it is necessary to collect public opinions for activities of the political party. (2) A political party shall submit a written request for providing virtual phone numbers to the competent election commission within the following periods; and the competent election commission shall send the relevant written request to a mobile network operator within three days from the date it receives the relevant written request after examining the indication in the relevant written request: <Amended on Feb. 8, 2017> 1. A primary election referred to in paragraph (1) 1: By no later than 23 days before the election day of the relevant primary election; 2. Collection of public opinion referred to in paragraph (1) 2: By no later than 10 days before the date of commencement of the period of the collection of the relevant public opinion. (3) Where a political party makes a request under paragraph (1), it shall mention the following matters in a written request for providing virtual phone numbers: <Amended on Feb. 8, 2017> 1. A primary election referred to in paragraph (1) 1: (a) Name of the election and the name of the election district of the primary election; (b) Election day of the primary election; (c) Region where the primary election is held and the number of electors in the primary election (where a public opinion poll is conducted for the primary election, referring to a specimen; hereafter in this paragraph the same shall apply); (d) The number of virtual phone numbers each mobile network operator should provide for each gender, age and region. In such cases, the total number of virtual phone numbers each political party may request each mobile network operator to provide shall not exceed 30 times the number of electors in the primary election under item (c); (e) Other matters prescribed by the National Election Commission Regulations. 2. Collection of public opinion referred to in paragraph (1) 2: (a) Purpose, content and period of the collection of public opinion; (b) Region intended for the collection of public opinion and the number of people intended for the collection of public opinion; (c) The number of virtual phone numbers each mobile network operator should provide for each gender, age and region. In such cases, the total number of virtual phone numbers each political party may request each mobile network operator to provide shall not exceed 30 times the number of electors in the primary election under item (b); (d) Other matters prescribed by the National Election Commission Regulations. (4) Where the indications prescribed in paragraph (3) are omitted from a written request for providing virtual phone numbers submitted to the competent election commission or it deems additional data are required to make an examination, the competent election commission may request the relevant political