Electoral law quota details

… The quota of women electees of each political party referred to in the preceding paragraph shall not be less than 1/2.
The quota of women electees distributed to each political party shall be distributed in accordance with the sequence of the list of candidates registered by each political party. Within the quota of women electees distributed to a political party, if the women electees determined by distributing the quota in accordance with the sequence in the list of candidates are less than the due quota of women electees, the women candidates ranking behind in sequence shall have the priority to be elected. If the number of women candidates registered by a political party in the list of candidates is less than the quota reserved for women, it shall be regarded as a vacancy. (Article 67)

See also article 43.