Wajib kerja sarjana adalah masa kerja sebelum kesarjanaan dapat dipakai u/ praktik pribadi (= mendapat izin praktik dari Pemerintah/organisasi terkait). Ini semacam masa magang.

Revocation of law concerning graduate mandatory apprenticeship.

Ref di negara lain:
http://dev.justiceinitiative.org/db/resource2/fs/?file_id=14...
...included a system of postulación, or mandatory apprenticeship, by which every graduate of a Chilean law school was required to provide them with six months of service as one of the steps
toward the formal admission to law practice.