diff --git a/crates/apps/src/lib/node/ledger/shell/finalize_block.rs b/crates/apps/src/lib/node/ledger/shell/finalize_block.rs
index 7dbbd1e0f3..691d3a394b 100644
--- a/crates/apps/src/lib/node/ledger/shell/finalize_block.rs
+++ b/crates/apps/src/lib/node/ledger/shell/finalize_block.rs
@@ -2566,7 +2566,7 @@ mod test_finalize_block {
                 "Encrypted transaction data".as_bytes().to_owned(),
             ));
             wrapper_tx.set_code(Code::new(tx_code, None));
-            wrapper_tx.add_section(Section::Signature(Signature::new(
+            wrapper_tx.add_section(Section::Authorization(Authorization::new(
                 wrapper_tx.sechashes(),
                 [(0, keypair.clone())].into_iter().collect(),
                 None,
@@ -2820,7 +2820,7 @@ mod test_finalize_block {
             ))));
         wrapper.header.chain_id = shell.chain_id.clone();
         // Set no code to let the inner tx fail
-        wrapper.add_section(Section::Signature(Signature::new(
+        wrapper.add_section(Section::Authorization(Authorization::new(
             wrapper.sechashes(),
             [(0, keypair.clone())].into_iter().collect(),
             None,
diff --git a/crates/namada/src/ledger/governance/mod.rs b/crates/namada/src/ledger/governance/mod.rs
index a1df1620ed..080db07ab2 100644
--- a/crates/namada/src/ledger/governance/mod.rs
+++ b/crates/namada/src/ledger/governance/mod.rs
@@ -886,7 +886,7 @@ mod test {
     };
     use namada_token::storage_key::balance_key;
     use namada_tx::data::TxType;
-    use namada_tx::{Code, Data, Section, Signature, Tx};
+    use namada_tx::{Authorization, Code, Data, Section, Tx};
 
     use crate::core::address::Address;
     use crate::ledger::governance::GovernanceVp;
@@ -945,7 +945,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1181,7 +1181,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1278,7 +1278,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1378,7 +1378,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1477,7 +1477,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1556,7 +1556,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1635,7 +1635,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1732,7 +1732,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1829,7 +1829,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -1908,7 +1908,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -2032,7 +2032,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -2156,7 +2156,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -2280,7 +2280,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -2421,7 +2421,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,
@@ -2562,7 +2562,7 @@ mod test {
         tx.header.chain_id = state.in_mem().chain_id.clone();
         tx.set_code(Code::new(tx_code, None));
         tx.set_data(Data::new(tx_data));
-        tx.add_section(Section::Signature(Signature::new(
+        tx.add_section(Section::Authorization(Authorization::new(
             vec![tx.header_hash()],
             [(0, keypair_1())].into_iter().collect(),
             None,