Article 4 Reserve ratios
1. Reserve ratios, which the ECB may specify according to Article 19.1 of the Statute, shall not exceed 10 % of any relevant liabilities forming part of the basis for minimum reserves but may be 0 %.
2. Subject to paragraph 1, the ECB may, on a nondiscriminatory basis, specify differing reserve ratios for specific categories of liabilities forming part of the basis for minimum reserves.