DBI stands for Definitief Belaste Inkomsten (Definitively Taxed Income) and is an exemption scheme for companies that invest in individual shares of other companies. Dividends and capital gains from these investments must meet certain conditions in order to be exempt from (double) taxation.
The DBI exemption allows companies to exempt dividends from their subsidiaries from corporate income tax, provided that three cumulative conditions are met:

A DBI-Bevek is an investment fund with a favorable tax regime for your company. By investing in a DBI-Bevek as a company, you can benefit from the DBI deduction on both dividends and capital gains when selling the Bevek, without the above conditions.
In this case, the company is entitled to the DBI deduction of up to 100%, to the extent that it originates from companies subject to corporate income tax or similar foreign tax. A 100% exemption is therefore not always guaranteed, but in practice it is often approached.
Small companies are companies with legal personality that, on the balance sheet date of the last financial year, do not exceed more than one of the following criteria:

The tax section of the draft Program Law has now been adopted by the federal government. The new rule will apply from the 2026 tax year (for financial years starting on or after January 1, 2025).
Purpose of DBI: to avoid double taxation on dividends from shares (DBI = "definitively taxed income").