Article 159a
For the purposes of Chapter 3, and in particular with regard to Articles 160(1), 161(4), 164(4) and 166(8c), where an exposure is covered by an eligible guarantee provided by a central government or central bank or by the ECB, the PD, LGD and CCF input floors shall not apply to the part of the exposure covered by that guarantee. However, the part of the exposure that is not covered by that guarantee shall be subject to the PD, LGD and CCF input floors concerned.