Danske Bank A/S is telling corporate clients to think hard aboutwhat to do with their excess cash before Dec. 31, because Denmark'sbiggest lender doesn't want it in deposit accounts.

After a world-record-setting half decade of negative interestrates, Denmark still has a few surprises up its sleeve that showhow such a monetary regime works in practice. Though corporateclients need to pay to place their savings with the bank, Danske isstruggling to deal with near-record amounts of deposits.

The bank's deposits have risen 11% over the past 21 months,reaching 914 billion kroner ($145 billion) at the end of June(excluding repurchase agreements), second-quarter results show.Danske said that it's encouraging clients to place excess cash inother products offered by the bank, but declined to provide moredetails.