Decide what your Best Practices and Standards are for Qualifications and then Document the following:
(All licensing and certification credentials should be documented with copies of current status that can be updated on a yearly basis as needed)
Formal training
Informal training/experiences
Real time disaster experience
Continuing education
Licensures
License number and date of expiration/photocopy
Malpractice Insurance
Specialized training
Experience
References
Special skills
Special populations skills
Availability
Locations
Types of services
Application forms/process
Photo ID
Criminal background check including fingerprints
Security clearance if needed
Vehicular background check if needed
Signed contract for services including clear fee arrangements