The High-Road Cannabis Tax Credit is designed to cover 25% of the qualified expenditures listed above, up to a maximum total of $250,000 per eligible business per taxable year. Businesses that must be included in a combined report under R&TC Section 25101, or businesses that are authorized to be included in a combined report under R&TC Section 25101.15, the aggregate credit claimed by all included taxpayers is limited to $250,000 per year. While businesses are encouraged to spend their credits by the end of the year in which they're received, unused credits can be carried over for eight taxable years after the credit was generated.