Parity Debt
Two or more issues of bonds with the same priority of claim or lien on the same underlying security and sources of repayment (i.e., revenues) for all of the bonds.
Bonds having a subordinate claim on one or more Security Interests relative to the claim against such Security Interests by the holders of other Bonds, also known as “junior lien bonds.”
See Also
Two or more issues of bonds with the same priority of claim or lien on the same underlying security and sources of repayment (i.e., revenues) for all of the bonds.
Bonds having a priority claim on one or more security interests relative to the claim against such security interests by the holders of other bonds.

The period of time (often set forth in the tax certificate), during which a particular category of proceeds may be invested in higher yielding investments without the issue being treated as arbitrage bonds under Section 148 of the Code.