Proof of financial responsibility when required under this chapter may be given by filing any of the following: 1. A certificate of insurance as provided in section 321A.19 or section 321A.20 . 2. A bond as provided in section 321A.24 . 3. A certificate of deposit as provided in section 321A.25 . [C50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321A.18 ] 2000 Acts, ch 1025, §2, 6 ; 2013 Acts, ch 37, §2 Referred to in §321A.13