CA AB2400

Renames the fund to the California Alzheimer's Disease and Related Dementia Research Voluntary Tax Contribution Fund and extends its operation until January 1, 2025

Allows individual taxpayers to designate contributions in excess of their tax liability to the fund, with contributions deductible under personal income tax law

Allocates fund contributions to the State Department of Public Health (instead of multiple agencies) to support eligible programs awarded grants under the State Department of Public Health's Alzheimer's Disease Program

Requires continuous appropriation of fund money to the Franchise Tax Board, Controller, and State Department of Public Health for administrative costs and program expenses

Maintains the $250,000 minimum annual contribution threshold required for the fund to continue appearing on tax returns