1. In order to partially defray the administrative costs of plat review, a filing fee shall be paid to the City Clerk, at the time of submission of the preliminary plat, in the following amount: $5, plus $1 per lot for the first 50 lots, plus $0.10 for each additional lot thereafter.
2. Where only one phase of an approved preliminary plat is submitted for final approval, a final plat of the remaining area may be submitted at any time within two years of the first phase final plat approval, without payment of an additional filing fee by the subdivider, if the final plat for the additional area conforms substantially with the approved preliminary plat.