The approval of new forms of consecrated life is reserved only to the Apostolic See. Diocesan bishops, however, are to strive to discern new gifts of consecrated life granted to the Church by the Holy Spirit and are to assist promoters so that these can express their proposals as well as possible and protect them by appropriate statutes; the general norms contained in this section are especially to be utilized.
Source: Code of Canon Law (Vatican.va)