Level 1B liquid assets
From ACT Wiki
Bank regulation - liquidity
Level 1B liquid assets are those of the second highest liquidity quality.
They rank in between Level 1A and Level 2 liquid assets.
Level 1B liquid assets include EU covered bonds with a Credit Quality Step (CQS) of 1 and the largest minimum issue size.
They are eligible for inclusion in a regulated bank's High Quality Liquid Assets (HQLAs) with only a small haircut of 7%.