Definitions for "chargeoff"
Millage rate established by the General Assembly that, when multiplied times a district’s recognized valuation, provides the local contribution to the foundation formula. It is currently set at 23 mills. The term is sometimes used interchangeably to describe both the millage set by the legislature and the entire local contribution.
a creditor voluntarily saying that they're not going to try to collect anymore
Keywords:  treat, expense, loss
to treat as a loss or expense.