| E.__Costs of developing affordable housing, independently  | 
| or as part of a business or public project, in  | 
| municipalities where the lack of affordable housing is a  | 
| barrier to economic development, the housing to be  | 
| developed meets the affordability index of the Maine State  | 
| Housing Authority and the director of the Maine State  | 
| Housing Authority certifies that the municipality is in  | 
| need of affordable housing. |