NICS Improvement Act of 2003

[AI summary unavailable — showing source text] NICS Improvement Act of 2003 - Amends the Brady Handgun Violence Prevention Act to require: (1) the head of each Federal agency that has records relating to persons for whom receipt of a firearm would violate Federal or State law to provide that information to the Attorney General for inclusion in the National Instant Criminal Background Check System (NICS); (2) the agency, upon being made aware that the basis under which a record was made available no longer applies, to correct the record and notify the Attorney General; and (3) the Department of Homeland Security to make available to the Attorney General records relevant to a determination that a person is disqualified from possessing or receiving a firearm and information about a change in such person's status for removal from NICS, where appropriate. Directs the Attorney General to make grants to: (1) States and Indian tribal governments to establish or upgrade information and identification technologies for firearms eligibility determinations; and (2) States for use by the State court system to improve the automation and transmittal to Federal and State record repositories of criminal history dispositions, records relevant to …