diff --git a/src/aeser_chain_objects.erl b/src/aeser_chain_objects.erl
index d9e553a..a0397c4 100644
--- a/src/aeser_chain_objects.erl
+++ b/src/aeser_chain_objects.erl
@@ -87,6 +87,7 @@ tag(channels_mtree) -> 623;
 tag(nameservice_mtree) -> 624;
 tag(oracles_mtree) -> 625;
 tag(accounts_mtree) -> 626;
+tag(acs_mtree) -> 627;
 tag(compiler_sophia) -> 70;
 tag(ga_attach_tx) -> 80;
 tag(ga_meta_tx) -> 81;
@@ -148,6 +149,7 @@ rev_tag(623) -> channels_mtree;
 rev_tag(624) -> nameservice_mtree;
 rev_tag(625) -> oracles_mtree;
 rev_tag(626) -> accounts_mtree;
+rev_tag(627) -> acs_mtree;
 rev_tag(70) -> compiler_sophia;
 rev_tag(80) -> ga_attach_tx;
 rev_tag(81) -> ga_meta_tx;