How to fix legislation code in table per_person_names_f_v?

Summary:

The following query gives two different legislation codes for the same Employee due to which the extract doesnt pull the gender information for that employee: ppnf.legislation_code shows legislation code as IT - Italy and pplf.legislation_code shows legislation code as US. First question is how is ppnf showing IT? Where does it pull the code from? Second question is how to update it to US?

select ppnf.legislation_code person, pplf.legislation_code Legislation, papf.person_number

from per_all_people_f papf,

per_person_names_f_v ppnf,

per_people_legislative_f pplf,

per_persons pp