Cracking the Code: Indonesian NIK, KTP, SKTT, STNK, and Other Abbreviations

Indonesians really like using abbreviations, especially in administrative tasks where long names are common. Here we provide a list of the most frequently occurring abbreviations and their disambiguations.

NPWP (Nomor Pokok Wajib Pajak) - taxpayer identification number.
KTP (Kartu Tanda Penduduk) - national identity card, the primary identification document for Indonesians for domestic use.
NIK (Nomor Induk Kependudukan) - identification number (listed on KTP).
SKTT (Surat Keterangan Tempat Tinggal) - residence certificate.
KK (Kartu keluarga) - family card.
WNA (Warga Negara Asing) - foreign citizen.
WNI (Warga Negara Indonesia) - Indonesian citizen.
STNK (Surat Tanda Nomor Kendaraan) - vehicle registration certificate.
SIM (Surat Ijin Mengemudi) - driving permit / driver's license.
PPKM (Perberlakukan Pembatasan Kegiatan Masyarakat) - restrictions on social activities.
KITAS (Kartu Ijin Tinggal Terbatas) - permission for a limited stay.
KITAP (Kartu Ijin Tinggal Tetap) - permanent residence permit.
If you come across additional ones frequently, feel free to include them too!
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