Which of the following statement is correct related to food safety audit?
1
First-party audits are done within an organization (the primary one) and are used for self-assessment, internal verification, and continual improvement.
2
Second-party audits are done by a primary organization on their suppliers and subcontractors to determine their suitability and evaluate their performance.
3
Third-party audits are done on primary organizations by an independent body to verify that a food safety system has been documented and implemented according to specified requirements.
4
All of these.