For what reason may a registrant have their registration suspended?

A registrant may have their registration suspended for multiple reasons, each with specific legal and regulatory foundations. In this case, failure to pay child support is one recognized reason due to the implications it has on the individual's responsibilities to their family and potential judicial orders related to support obligations. Additionally, failure to pay license registration fees represents a failure to comply with financial responsibilities that are tied to maintaining a professional license or registration.

Both of these criteria are often stipulated in legislation or regulatory guidelines governing the conduct of professionals. Not only do they ensure adherence to personal responsibilities, but they also help maintain public trust in professional integrity. When registrants fail to meet these obligations, the state's regulatory body often has the authority to suspend their registration to ensure compliance and accountability.

Thus, the correct answer encompasses both situations, confirming that either failure to pay child support or license registration fees can lead to suspension of registration, hence the selection of the option that combines these two reasons. This comprehensive approach to enforcement helps maintain standards within the profession by ensuring that registrants address both personal and professional obligations.