Andalusia Gender Identity, Kim Perez, considers it necessary to establish a neutral sexual gender

http://www.barcelonareporter.com/index.php?/news/comments/andalusia_gender_identity_kim_perez_considers_it_necessary_to_establish_a_n/2003100741am

She has stated that this case notes that there are men, women and intersexed people, "but the laws have attempted to deny it," so now different partnerships aim to eliminate the sex of personal documents, such as in Spain where there is no difference in rights between different sexes.
The Association of Andalusia Gender Identity, Kim Perez, considers it necessary to establish a neutral sexual gender in Spain

This would include "about 10 percent of the population", for those who do not feel "comfortable "as male or female.