WIC §663: (a) Whenever a petition has been filed in the juvenile court alleging that a minor comes within the provisions of Section 601 or 602 of this code and praying for a hearing thereon, or whenever any sub

(a) Whenever a petition has been filed in the juvenile court alleging that a minor comes within the provisions of Section 601 or 602 of this code and praying for a hearing thereon, or whenever any subsequent petition has been filed praying for a hearing in the matter of the minor, a warrant of arrest may be issued immediately for the minor upon a showing that any one of the following conditions are satisfied: (1) It appears to the court that the conduct and behavior of the minor may endanger the health, person, welfare, or property of himself or herself, or others, or that the circumstances of his or her home environment may endanger the health, person, welfare, or property of the minor. (2) It appears to the court that either personal service upon the minor has been unsuccessful, or the whereabouts of the minor are unknown. (3) It appears to the court that the minor has willfully evaded service of process. (b) Nothing in this section shall be construed to limit the right of parents or guardians to receive the notice and a copy of the petition pursuant to Section 660.