La. Public Health and Safety § 40:400
Notwithstanding the area of operation as defined herein, all local housing authorities may cooperate and contract with all other local housing authorities and other public agencies within this state and any public agencies of any other state, with the federal government, and with any person or entity, public or private, and wherever located, in order to carry out the purposes of this Chapter. Such cooperation may include but shall not be limited to activities and operations conducted with the agreement of any public agency. Therefore, the area of operation of a local housing authority shall be deemed to include any other area or areas within any municipality or parish, regardless of location, with respect to which the municipality or parish within whose boundaries the area or areas lie agrees to allow the local housing authority to operate.
La. Public Health and Safety § 40:400