Section R. 408.14922 - Rated capacity of attachmentsRule 4922.
(1) A hook, ring, oblong link, pear-shaped link, welded or mechanical coupling link, or other attachment shall have a rated capacity at least equal to that of the alloy steel chain with which they are used, or the sling shall not be used in excess of the rated capacity of the weakest component.(2) A makeshift link or fastener formed from bolts or rods, or other such attachments, shall not be used.Mich. Admin. Code R. 408.14922