As bonds mature, a proportional weight will be held as cash until final maturity of the Index in 2016. (etfdb.com)
Included issues must have at least one year until final maturity. (wellsfargoadvisors.com)
For example, a $ 10 million note with a 10 year final maturity will require equal annual principal payments of $ 1 million plus accrued interest. (bnd.nd.gov)