The Codex Committee on Residues of Veterinary Drugs in Foods is a General Subject Committee that determines priorities for the consideration of residues of veterinary drugs in foods, recommends maximum levels for such substances, develops codes of practice, and considers methods of sampling and analysis for the determination of veterinary drug residues in foods.

The Codex Committee on Methods of Analysis and Sampling is a General Subject Committee that elaborates sampling plans and procedures for all food commodities except for residues of pesticides or veterinary drugs in food, the assessment of micro biological quality and safety in food, and the assessment of specifications for food additives. The committee also considers specific sampling and analysis problems submitted to it, and defines procedures, protocols, guidelines or related texts for the assessment of food laboratory proficiency, as well as quality assurance systems for laboratories.

The Codex Committee on Fats and Oils is a Commodity Committee that elaborates world wide standards for fats and oils of animal, vegetable and marine origin including margarine and olive oil.

The Codex Committee on Food Hygiene is a General Subject Committee that develops policies on food hygiene issues that are applicable to all food types, not just seafood. The committee develops standards and guidelines that draft basic provisions on food hygiene, including microbiological specifications and methodologies related to food safety.

The Codex Committee on Fish and Fishery Products is a Commodity Committee that develops world wide standards for fresh, frozen or otherwise processed fish, crustaceans and molluscs.

The Codex Committee on Food Additives is a General Subject Committee that develops policies on permitted maximum levels for individual food additives, helps to prepare priority lists of food additives for risk assessment by the Joint FAO/WHO Expert Committee on Food Additives, assigns functional classes to individual food additives, recommends specifications of identity and purity for food additives for adoption by the Commission, considers methods of analysis for the determination of additives in food, and considers and elaborates on standards or codes for related subjects such as the labelling of food additives when sold as such.

The Codex Committee on Contaminants in Foods is a General Subject Committee that establishes or endorses permitted maximum levels or guidelines levels for contaminants and naturally occurring toxicants in food and feed, prepares priority lists of contaminants and naturally occurring toxicants for risk assessments, considers methods of analysis and sampling for the determination of contaminants and naturally occurring toxicants in food and feed, and considers and elaborates standards or codes of practice for related subjects.