The full answer
A business can change.
Suppliers change. Employees change. Products become unavailable. New ingredients appear. Management can make purchasing decisions that were not part of the original inspection.
That is why HMS performs continued monitoring and surprise inspections rather than relying only on a certificate issued once.
Answers in the Halal Knowledge Center reflect the standards followed by Halal Monitoring Services (HMS), which operates as part of the Shariah Board of America. HMS certifies only what it checks.