Analisa dan Evaluasi Perhitungan Pajak Penghasilan (Pph) 21 Atas Penghasilan Pegawai Tetap Sesuai dengan Pmk No. 122/pmk010/2015 (Studi Kasus PT Angkasa Pura I (Persero) Bandara Adisutjipto YOGYAKARTA)

The aim of this research was to know whether the calculation of Income Tax-Article 21 of PT Angkasa Pura I (Persero) Adisutjipto Airport in a year had referred to Minister of Finance Regulation No. 122/PMK.010/2015.The type of research conducterd was case study. The collection techniques were interview and observation. The steps used were by recalculating Income Tax-Article 21 based on Taxation Rule and compared that result with the calculation of  Income Tax-Article 21 from PT Angkasa Pura I (Persero) Adisutjipto Airport. From analysys result showed that calculation process of Income Tax-Article 21  had not referred yet to prevailing Taxation rule implemented in Indonesia. PT Angkasa Pura I (Persero) Adisutjipto Airport had not  calculated  non taxable income (PTKP) based on  Minister of Finance Regulation No. 122/PMK.010/2015, the calculation result of tax system had not refeffed to Minister of Finance Regulation No. 122/PMK.010/2015 and PER-32/PJ/2015 article 10 paragraph (3) a and the calculated of pension contributed had not referred to Government Regulation RI No. 45 2015. &nbsp