There is hereby created in each county and municipality in this state a public body corporate and politic, to be known as the housing and redevelopment commission, in and for that county and municipality. However, no commission may transact any business or exercise any powers until the governing body of the municipality or county, by resolution, finds that in the municipality or county:
and declares that there is need for a housing and redevelopment commission to function in that municipality or county.
SDCL 11-7-7