A court, rendering a judgment for the plaintiff in a proceeding brought under section 42A-1-29 N.M. Stat. Ann. awarding compensation for the actual physical taking of the property by the displacing agency, or the agency effecting a settlement of any such proceeding, shall, when required by federal law or by a federal grant contract governing the project or program, determine and award or allow to the plaintiff as a part of the judgment or settlement a sum which will reimburse the plaintiff for his reasonable costs, disbursements and expenses, including reasonable attorney, appraisal and engineering fees actually incurred because of the proceeding.