How many signatures are required on a tag for verification?

For verification purposes, a tag typically requires three signatures. This requirement is in place to ensure that there are multiple levels of oversight and quality control within operations, particularly in engineering and maintenance contexts. The first signature usually comes from the person who identifies the work or issue, confirming the necessity for action. The second signature is from someone who reviews the work, ensuring that it is accurate, necessary, and compliant with all procedures. The third signature typically represents the final validation from a supervisor or responsible authority who ensures that all the work has been completed in accordance with safety regulations and operational standards.

Having these three signatures helps mitigate risks, enhances accountability, and promotes thoroughness in the verification process. It is a crucial mechanism for maintaining safety and operational integrity, especially in environments where engineering practices are vital.