What makes a requirement binding here
The Pharmaceutical Affairs Act, together with the Regulation on Safety of Medicinal Products made under it. The national authority administers both, and Korean good manufacturing practice — KGMP — is aligned with the PIC/S guide, the authority having become a PIC/S participant in 2014. The technical content converges with EudraLex Volume 4, so a system built for the European guide is being measured against a familiar text.
Through two permissions that are deliberately coupled. A manufacturer needs a manufacturing business licence and, separately, marketing authorisation for each product it makes. The coupling is the part to plan around: an applicant cannot obtain a manufacturing business licence without simultaneously submitting a marketing authorisation application for at least one product. The site permission and the first product application are one exercise rather than two sequential ones.