Food Safety Oversight: Singapore Introduces Long-Term Grading System for Food Establishments. Starting Jan 19, the Singapore Food Agency will implement the Safety Assurance for Food Establishments framework, replacing the long-standing A-to-D grading system used for nearly 30 years. Unlike the previous model based on annual inspections, the new framework evaluates an establishment’s food safety performance over time. According to SFA, this approach better reflects real operational standards and