No city shall authorize or issue tax anticipation notes in any one fiscal year which in the aggregate shall exceed 85% of:
which, in all cases, are certified, pursuant to section 406, as remaining to be collected or received in such fiscal year during the period when the notes will be outstanding. The certificate shall be as of a date not more than 30 days prior to and no later than the date of the adoption of the determination of the loan committee authorizing the issue and sale of the tax anticipation notes. In computing the aggregate amount of tax anticipation notes outstanding at any given time during the fiscal year for the purpose of the limitation imposed by this section, allowance shall be made for such notes as have already been fully paid and for amounts already paid into a sinking fund or trust fund established for payment of such notes, if any.
53 P.S. § 12720.402