Don't forget to join all the groups!
Group 1
Group 2
Group 3
Group 4
Group 5
Group 6
Group 7
Group 8

Add this into your .cfg file

alias Tag1 "cl_clanid 28278978; alias TagBind Tag2;"
alias Tag2 "cl_clanid 28278981; alias TagBind Tag3;"
alias Tag3 "cl_clanid 28278986; alias TagBind Tag4;"
alias Tag4 "cl_clanid 28278990; alias TagBind Tag5;"
alias Tag5 "cl_clanid 28278992; alias TagBind Tag6;"
alias Tag6 "cl_clanid 28278994; alias TagBind Tag7;"
alias Tag7 "cl_clanid 28278995; alias TagBind Tag8;"
alias Tag8 "cl_clanid 28279000; alias TagBind Tag9;"
alias Tag9 "cl_clanid 28279006; alias TagBind Tag10;"
alias Tag10 "cl_clanid 28279000; alias TagBind Tag11;"
alias Tag11 "cl_clanid 28278995; alias TagBind Tag12;"
alias Tag12 "cl_clanid 28278994; alias TagBind Tag13;"
alias Tag13 "cl_clanid 28278992; alias TagBind Tag14;"
alias Tag14 "cl_clanid 28278990; alias TagBind Tag15;"
alias Tag15 "cl_clanid 28278986; alias TagBind Tag16;"
alias Tag16 "cl_clanid 28278981; alias TagBind Tag1;"
alias TagBind "Tag1"
bind "w" "+forward; TagBind"
bind "a" "+moveleft; TagBind"
bind "s" "+back; TagBind"
bind "d" "+moveright; TagBind"