This exemption is for people who want to work on a domestic commercial vessel being used for a wildlife or other sightseeing operation in inland waters.
Globally, nitrogen oxide (NOx) emissions are controlled through emission standards for marine diesel engines with a power output greater than 130 kilowatts (kW).
This exemption is for owners and accredited marine surveyors of domestic commercial vessels (DCVs) who need to be able to operate temporarily without having the required certificates.
This exemption is for owners of certain kinds of unpowered barges where it may not be practical to comply with specified construction and equipment requirements.
This exemption is for owners of certain vessels who may not want to obtain a certificate of operation, or comply with certain conditions on a certificate of operation.
This exemption is for owners of certain vessels who may not want to obtain a certificate of survey, or comply with certain conditions on a certificate of survey.
This exemption allows owners of certain vessels to operate without a certificate of operation, or without meeting a condition on a certificate of operation.