| Customers of a local exchange carrier who receive local, flat- |
| rate, basic service within a single exchange area may petition |
| the commission to expand their basic service calling area.__Upon |
| written petition by 5 or more such customers of a local exchange |
| provider, the commission shall open a proceeding to expand the |
| basic service calling area.__The commission shall hold at least |
| one public hearing.__The commission, within 4 months of the |
| filing of the written petition, shall issue an order establishing |
| an expanded basic service calling area for the area served by the |
| petitioning customers.__The commission's order must direct the |
| carrier to file within one year a financial report on the costs |
| of expanding the basic service calling area.__Upon receipt of the |
| carrier's filing, the commission shall conduct an investigation |
| to determine the costs, if any, attributable to the expansion.__ |
| The commission may only allow recovery of these costs if the |
| carrier demonstrates that nonrecovery of the costs will result in |
| the carrier earning less than a reasonable rate of return. |