At least once every two calendar years, each registered service agency and registered service technician shall submit for examination and certification all standards, except for those noted in §B of this regulation, that are used or intended to be used for servicing and testing commercial weighing and measuring devices for which competence is registered to one of the following locations: The Department; NIST; or A NIST-approved out-of-State weights and measures laboratory. Once every calendar year, each registered service agency and registered service technician shall submit for examination and certification the following standards that are used or intended to be used for servicing and testing commercial weighing or measuring devices for which competence is registered to one of the locations referenced in §A of this regulation: Cast iron hand weights; Self-propelled weight carts; and Five-gallon test measures. If a registered service agency or registered service technician submits standards to NIST or a NIST-approved out-of State weights and measures laboratory, as described in §§A and B of this regulation, the service agency or service technician within 30 days shall provide the Department a copy of the current certification of all standards used in the repair, service, or testing of weighing or measuring devices in Maryland. A registered service agency or registered service technician may not use, in servicing commercial weighing or measuring devices, any standards that have not been certified by a NIST-approved State metrology laboratory. A registered service agency or service technician immediately shall submit to a NIST-approved laboratory for recertification a damaged standard. A registered service agency or registered service technician that places into service a scale with a capacity in excess of 40,000 pounds shall have test weights that are: Certified by one of the three locations outlined in §A of this regulation; and Equal to a minimum of 12.5 percent of the scale's nominal capacity, or 10,000 pounds, whichever is greater.