Section 48(5)(d) in The Dock Workers (Safety, Health And Welfare) Regulations, 1990
(d)synthetic fibre rope or rope sling shall have at least four tucks with full strand followed by further tuck with one-half filaments cut-out of each strand and final tuck with one-half of the remaining filaments, cut-out from strands. The portion of the splices containing the tucks with the reduced number of filaments shall be securely covered with suitable tape or other materials:-