You will have to register with CDX. (Registering with CDX is not the same as registering under regulation Section 80.1150.) Instructions are available via our RFS web page at http://epa.gov/otaq/regs/fuels/cdxinfo.htm.
Question and Answer was originally posted at http://www.epa.gov/otaq/renewablefuels/420f07041a.pdf
Do I have to register to use CDX and is this a separate registration process?
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