When can an inspector revoke a hoisting license?

The correct choice regarding when an inspector can revoke a hoisting license is related to failure to pay excise tax. Maintaining current financial obligations, such as excise taxes, is a requirement for holding a valid hoisting license. If an individual fails to meet these obligations, it indicates a lack of compliance with legal and regulatory standards, which can lead to the revocation of the license by an inspector.

Inspectors are tasked with ensuring that operators adhere to all regulations, including financial responsibilities. This requirement is important as it contributes to the funding of infrastructure and public safety initiatives.

While improper use of machinery, inadequate training, and not having a valid registration are also significant concerns, they pertain more to operational safety and competency rather than the financial obligations tied to license validity. Each of these factors can lead to disciplinary action, but in the context of revocation, failing to pay excise taxes directly affects the legitimacy of the license and the operator's ability to legally conduct business. Thus, failure in this area becomes a basis for revocation by inspectors.