State of California
AIR RESOURCES BOARD

NOTICE OF POSTPONEMENT

NOTICE OF PUBLIC HEARING TO CONSIDER ADOPTION OF THE
HEAVY-DUTY DIESEL ENGINE SOFTWARE UPGRADE REGULATION
(CHIP REFLASH)


By notice dated August 26, 2003, and published in the September 5, 2003, California Regulatory Notice Register, Register 2003, No. 36-Z, the Air Resources Board (the Board or ARB) announced that it would conduct a public hearing to consider adopting the proposed heavy-duty diesel engine software upgrade regulation. This proposed software upgrade regulation mandates installation of software to reduce emissions of oxides of nitrogen (NOx) from 1993-1999 model year heavy-duty vehicles.

PLEASE BE ADVISED that the hearing on this matter has been postponed until further notice. The ARB will send an additional hearing notice stating the new date and location, once determined. The current comment period will not be extended and will close at 12:00 noon, October 22, 2003, as stated in the original notice. An additional comment period, if any, will be specified in a future notice.



CALIFORNIA AIR RESOURCES BOARD



/s/
Catherine Witherspoon
Executive Officer

Date: October 17, 2003


The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. For a list of simple ways you can reduce demand and cut your energy costs see our Web -site at www.arb.ca.gov.

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