@clacke There are some effort for some peoples to legally petition for the removal of the religion column on ID card. But this was rejected by Constitutional Court.
https://www.hukumonline.com/berita/a/permohonan-penghapusan-kolom-agama-di-ktp-kandas-di-mk-lt677b595579c2f/?page=all
Again, from the court perspective, the concept of religion and religion freedom here is always based, follows, and inseparable from the Pancasila, especially of the first point.