This Regulation lays down the mandatory conditions under which competent authorities may grant institutions the permissions to use data covering a period of two rather than five years for probability of default ('PD'), own loss given default ('own-LGD') and own-conversion factor estimates as set out in point (h) of Article 180(1), point (e) of Article 180(2), and Articles 181(2) and 182(3) of Regulation (EU) No 575/2013 ('data waiver permissions').