When customizing a Harley-Davidson motorcycle in the USA today, it's essential to pay attention to the following aspects:<br /><br />Legislation and Regulations:<br /><br />Federal Motor Vehicle Safety Standards (FMVSS):<br />https://www.ntea.com/FMVSSGUIDE<br /><br />Code of Federal Regulations (CFR):<br />https://www.govinfo.gov/help/cfr<br /><br />State's Department of Motor Vehicles:<br />- Alaska: http://doa.alaska.gov/dmv/home.htm<br />- Alabama: http://revenue.alabama.gov/motorvehicle/index.cfm<br />- Arizona: http://www.azdot.gov/home<br />- Arkansas: http://www.dfa.arkansas.gov/offices/motorVehicle/Pages/default.aspx<br />- California: http://www.dmv.ca.gov/portal/dmv<br />- Colorado: https://www.colorado.gov/dmv<br />- Connecticut: http://www.ct.gov/dmv/site/default.asp<br />- Delaware: http://www.dmv.de.gov/<br />- Washington DC: http://dmv.dc.gov/<br />- Florida: http://www.hsmv.state.fl.us/<br />- Georgia: http://www.dds.ga.gov/<br />- Hawaii: http://hidot.hawaii.gov/highways/safe-communites/motorcycle/motor-vehicle-registration/<br />- Idaho: http://itd.idaho.gov/dmv/<br />- Illinois: http://www.cyberdriveillinois.com/<br />- Indiana: http://www.in.gov/bmv/index.htm<br />- Iowa: http://www.iowadot.gov/mvd/index.htm<br />- Kansas: http://www.ksrevenue.org/vehicle.html<br />- Kentucky: http://transportation.ky.gov/motor-vehicle-licensing/Pages/default.aspx<br />- Louisiana: http://omv.dps.state.la.us/<br />- Maine: http://www.state.me.us/sos/bmv/<br />- Maryland: http://www.mva.maryland.gov/<br />- Massachusetts: http://www.massrmv.com/<br />- Michigan: http://www.michigan.gov/sos<br />- Minnesota: https://dps.mn.gov/Pages/default.aspx<br />- Mississippi: https://www.ms.gov/hp/drivers/license/Main.do<br />- Missouri: http://dor.mo.gov/<br />- Montana: https://dojmt.gov/driving/<br />- Nebraska: http://www.dmv.nebraska.gov/<br />- Nevada: http://nevadadmv.state.nv.us/index.htm<br />- New Hampshire: http://www.nh.gov/safety/divisions/dmv/<br />- New Jersey: http://www.state.nj.us/mvc/<br />- New Mexico: http://www.mvd.newmexico.gov/<br />- New York: http://dmv.ny.gov/<br />- North Carolina: http://www.ncdot.gov/DMV/<br />- North Dakota: http://www.dot.nd.gov/<br />- Ohio: http://www.bmv.ohio.gov/<br />- Oklahoma: http://www.dps.state.ok.us/<br />- Oregon: http://www.oregon.gov/ODOT/DMV/pages/index.aspx<br />- Pennsylvania: http://www.dmv.state.pa.us/<br />- Rhode Island: http://www.dmv.ri.gov/<br />- South Carolina: www.scdmvonline.com<br />- South Dakota: http://dor.sd.gov/Motor_Vehicles/<br />- Tennessee: http://www.state.tn.us/safety/<br />- Texas: http://www.txdot.gov/<br />- Utah: http://dmv.utah.gov/<br />- Vermont: http://dmv.vermont.gov/<br />- Virginia: http://www.dmv.state.va.us/<br />- Washington: http://www.dol.wa.gov/<br />- West Virginia: http://www.transportation.wv.gov/dmv/Pages/default.aspx<br />- Wisconsin: http://wisconsindot.gov/Pages/online-srvcs/external/dmv.aspx<br />- Wyoming: http://www.dot.state.wy.us/home.html<br /><br />Certification and Compatibility:<br /><br />National Highway Traffic Safety Administration (NHTSA):<br />https://www.nhtsa.gov/<br />California Air Resources Board (CARB):<br />https://ww2.arb.ca.gov/<br /><br />(Source: Harley-Davidson, THUNDERBIKE)<br /><br />#HarleyDavidsonCustom#CustomizingHarleyDavidsonTips#CustomizeHarleyDavidsonTips