Which type of water supply system may provide water under contract to a municipality, region, or single property?

A text file would be produced for upload to an EHR in which of the following examples?

What will be an ideal response?

A(n) ________ account uses the last date of payment or charge for each illness as the starting date for determining the time limit on that specific debt.  

Fill in the blank(s) with the appropriate word(s).