Official sources
These are the official government sources used to support the checker’s results. The checker uses different source packs for the United Kingdom and United States.
United Kingdom
England, Wales and Northern Ireland primarily use Food Standards Agency guidance. Scotland uses Food Standards Scotland guidance. Each record states the checker area it supports, including chilling, fridge storage, cooked rice, reheating, defrosting, picnic food and date labels.
How to chill, freeze and defrost food safely
- UK nation
- England, Wales, Northern Ireland
- Used for
- Chilling and food taken out after refrigeration
- Last checked
- 6 September 2026
- Review by
- 1 March 2027
Chilling food
- UK nation
- Scotland
- Used for
- Chilling and food taken out after refrigeration
- Last checked
- 6 September 2026
- Review by
- 1 March 2027
Chilling: freezing and defrosting food
- UK nation
- England, Wales, Northern Ireland
- Used for
- Defrosting
- Last checked
- 6 September 2026
- Review by
- 1 March 2027
Chilling
- UK nation
- Scotland
- Used for
- Defrosting
- Last checked
- 6 September 2026
- Review by
- 1 March 2027
How to chill, freeze and defrost food safely
- UK nation
- England, Wales, Northern Ireland
- Used for
- Cooked leftovers and fridge storage
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Home food fact checker
- UK nation
- England, Wales, Northern Ireland
- Used for
- Cooked-rice handling
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Keeping food safe on a picnic
- UK nation
- England, Wales, Northern Ireland
- Used for
- Picnic and buffet food
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Cooking food safely
- UK nation
- Scotland
- Used for
- Cooked leftovers and fridge storage
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Food storage
- UK nation
- Scotland
- Used for
- Cooked-rice handling
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Picnic food safety
- UK nation
- Scotland
- Used for
- Picnic and buffet food
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Cooking your food
- UK nation
- England, Wales, Northern Ireland
- Used for
- Reheating cooked leftovers
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Cooking food safely
- UK nation
- Scotland
- Used for
- Reheating cooked leftovers
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
Best before and use-by dates
- UK nation
- England, Wales, Northern Ireland
- Used for
- Use-by and best-before dates
- Last checked
- 18 September 2026
- Review by
- 1 March 2027
Use-by and best-before dates
- UK nation
- Scotland
- Used for
- Use-by and best-before dates
- Last checked
- 5 September 2026
- Review by
- 1 March 2027
United States
The current US checker uses federal guidance from the U.S. Food and Drug Administration, USDA Food Safety and Inspection Service, and FoodSafety.gov. Records identify whether they support refrigerated leftovers, food left out, reheating, defrosting, chilled food left out, picnic and buffet food, or date labels.
What is the 2 Hour Rule with leaving food out?
- Country
- United States
- Used for
- Food left out after cooking or purchase
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
How to Cut Food Waste and Maintain Food Safety
- Country
- United States
- Used for
- Date labels
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
How long can you keep leftovers in the refrigerator?
- Country
- United States
- Used for
- Refrigerated cooked leftovers
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
How do I handle leftovers safely?
- Country
- United States
- Used for
- Refrigerated cooked leftovers
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Cold Food Storage Chart
- Country
- United States
- Used for
- Refrigerated cooked leftovers
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Refrigerator Thermometers: Cold Facts about Food Safety
- Country
- United States
- Used for
- Chilled food left out after refrigeration
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Freezing and Food Safety
- Country
- United States
- Used for
- Defrosting
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
How do you thaw leftovers safely?
- Country
- United States
- Used for
- Defrosting cooked leftovers
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
How do I reheat leftover take out food?
- Country
- United States
- Used for
- Reheating
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Can you reheat leftovers in a slow cooker?
- Country
- United States
- Used for
- Reheating
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Cooking (Food Safety for Moms-to-Be)
- Country
- United States
- Used for
- Reheating
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Are You Storing Food Safely?
- Country
- United States
- Used for
- Chilled food left out after refrigeration
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Serving Up Safe Buffets
- Country
- United States
- Used for
- Picnic and buffet food
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Handling Food Safely While Eating Outdoors
- Country
- United States
- Used for
- Picnic and buffet food
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
4 Steps to Food Safety
- Country
- United States
- Used for
- Picnic and buffet food
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Food Product Dating
- Country
- United States
- Used for
- Date labels
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
What is open dating?
- Country
- United States
- Used for
- Date labels
- Last checked
- 13 September 2026
- Review by
- 13 March 2027
Handling Infant Formula Safely: What You Need to Know
- Country
- United States
- Used for
- Infant formula date labels
- Last checked
- 13 September 2026
- Review by
- 13 March 2027