Hello! Please have a look on http://overpass-turbo.eu/s/2b19. What is the mean of the tags
A1C_BPS = 53
A1C_SIAK = 53
A1N_BPS = Nusa Tenggara Timur
A1N_SIAK = Nusa Tenggara Timur
A2C_BPS = 5313
A2C_SIAK = 5310
A2N_BPS = Manggarai
A2N_SIAK = Manggarai
A3C_BPS = 5313140
A3C_SIAK = 5310111
A3N_BPS = Reok
A3N_SIAK = Reok
A4C_BPS = 5313140014
A4C_SIAK = 5310111020
A4N_BPS = Wangkung
A4N_SIAK = Wangkung
A4T_SIAK = Kelurahan
fid = 55091
? Is the source legal?