diff --git a/crates/tests/src/e2e/ledger_tests.rs b/crates/tests/src/e2e/ledger_tests.rs
index dceed2b2ac..af8bb62972 100644
--- a/crates/tests/src/e2e/ledger_tests.rs
+++ b/crates/tests/src/e2e/ledger_tests.rs
@@ -29,9 +29,11 @@ use namada_core::chain::ChainId;
 use namada_core::token::NATIVE_MAX_DECIMAL_PLACES;
 use namada_sdk::address::Address;
 use namada_sdk::chain::Epoch;
+use namada_sdk::dec::Dec;
 use namada_sdk::time::DateTimeUtc;
 use namada_sdk::token;
 use namada_test_utils::TestWasms;
+use regex::Regex;
 use serde::Serialize;
 use serde_json::json;
 use setup::constants::*;
@@ -503,10 +505,13 @@ fn stop_ledger_at_height() -> Result<()> {
 fn pos_bonds() -> Result<()> {
     let pipeline_len = 2;
     let unbonding_len = 4;
+    let min_commission_rate = Dec::from_str("0.1").unwrap();
     let test = setup::network(
         |mut genesis, base_dir: &_| {
             genesis.parameters.pos_params.pipeline_len = pipeline_len;
             genesis.parameters.pos_params.unbonding_len = unbonding_len;
+            genesis.parameters.pos_params.min_commission_rate =
+                min_commission_rate;
             genesis.parameters.parameters.min_num_of_blocks = 6;
             genesis.parameters.parameters.epochs_per_year = 31_536_000;
             let mut genesis = setup::set_validators(
@@ -576,7 +581,51 @@ fn pos_bonds() -> Result<()> {
     let rpc = get_actor_rpc(&test, Who::Validator(0));
     wait_for_block_height(&test, &rpc, 2, 30)?;
 
+    // 1.1 Query the validator commission rate (should be the min parameter)
     let validator_0_rpc = get_actor_rpc(&test, Who::Validator(0));
+    let tx_args = vec![
+        "commission-rate",
+        "--validator",
+        "validator-0-validator",
+        "--node",
+        &validator_0_rpc,
+    ];
+    let mut client =
+        run_as!(test, Who::Validator(0), Bin::Client, tx_args, Some(40))?;
+
+    let str1 = client.exp_regex(r".* commission rate: [0-1]\.[0-9]*,.*")?.1;
+    client.assert_success();
+
+    let rate1 = Regex::new(r"commission rate: ([0-1]\.[0-9]+),")?
+        .captures(&str1)
+        .unwrap()
+        .get(1)
+        .unwrap()
+        .as_str();
+    let rate1 = Dec::from_str(rate1).unwrap();
+    assert_eq!(rate1, min_commission_rate);
+
+    let tx_args = vec![
+        "commission-rate",
+        "--validator",
+        "validator-1-validator",
+        "--node",
+        &validator_0_rpc,
+    ];
+    let mut client =
+        run_as!(test, Who::Validator(1), Bin::Client, tx_args, Some(40))?;
+
+    let str2 = client.exp_regex(r".* commission rate: [0-1]\.[0-9]*,.*")?.1;
+    client.assert_success();
+
+    let rate2 = Regex::new(r"commission rate: ([0-1]\.[0-9]+),")?
+        .captures(&str2)
+        .unwrap()
+        .get(1)
+        .unwrap()
+        .as_str();
+    let rate2 = Dec::from_str(rate2).unwrap();
+    assert_eq!(rate1, rate2);
 
     // 2. Submit a self-bond for the first genesis validator
     let tx_args = vec![
diff --git a/crates/tests/src/integration/ledger_tests.rs b/crates/tests/src/integration/ledger_tests.rs
index 7d6322d448..cf1146df9e 100644
--- a/crates/tests/src/integration/ledger_tests.rs
+++ b/crates/tests/src/integration/ledger_tests.rs
@@ -1666,6 +1666,131 @@ fn change_validator_metadata() -> Result<()> {
     assert_matches!(captured.result, Ok(_));
     assert!(captured.contains(TX_APPLIED_SUCCESS));
 
+    // 6. Query the metadata to see that the validator website is removed
+    let captured =
+        CapturedOutput::of(|| run(&node, Bin::Client, metadata_query_args));
+    assert_matches!(captured.result, Ok(_));
+    assert!(captured.contains("Email: theokayestvalidator@namada.net"));
+    assert!(captured.contains(
+        "Description: We are just an okay validator node trying to get by"
+    ));
+    assert!(captured.contains("No website"));
+    assert!(captured.contains("No discord handle"));
+    assert!(captured.contains("commission rate:"));
+    assert!(captured.contains("max change per epoch:"));
+
+    // 6. Try to change the validator commission below the minimum
+    let commission_change_args = apply_use_device(vec![
+        "change-commission-rate",
+        "--validator",
+        "validator-0-validator",
+        "--commission-rate",
+        "0.01",
+        "--node",
+        &validator_one_rpc,
+    ]);
+    let captured =
+        CapturedOutput::of(|| run(&node, Bin::Client, commission_change_args));
+    assert_matches!(captured.result, Err(_));
+
+    // 7. Query to ensure it hasn't changed
+    let commission_change_args = apply_use_device(vec![
+        "commission-rate",
+        "--validator",
+        "validator-0-validator",
+        "--node",
+        &validator_one_rpc,
+    ]);
+    let captured =
+        CapturedOutput::of(|| run(&node, Bin::Client, commission_change_args));
+    assert_matches!(captured.result, Ok(_));
+    assert!(
+        captured.contains("commission rate: 0.05, max change per epoch: 0.01")
+    );
+
+    Ok(())
+}
+
+/// Change validator metadata
+#[test]
+fn check_validator_commission() -> Result<()> {
+    // This address doesn't matter for tests. But an argument is required.
+    let validator_one_rpc = "http://127.0.0.1:26567";
+    // 1. start the ledger node
+    let (node, _services) = setup::setup()?;
+
+    // 2. Query the validator metadata loaded from genesis
+    let metadata_query_args = vec![
+        "validator-metadata",
+        "--validator",
+        "validator-0-validator",
+        "--node",
+        &validator_one_rpc,
+    ];
+    let captured = CapturedOutput::of(|| {
+        run(&node, Bin::Client, metadata_query_args.clone())
+    });
+    assert_matches!(captured.result, Ok(_));
+    assert!(captured.contains("No validator name"));
+    assert!(captured.contains("Email:"));
+    assert!(captured.contains("No description"));
+    assert!(captured.contains("No website"));
+    assert!(captured.contains("No discord handle"));
+    assert!(captured.contains("commission rate:"));
+    assert!(captured.contains("max change per epoch:"));
+
+    // 3. Add some metadata to the validator
+    let metadata_change_args = apply_use_device(vec![
+        "change-metadata",
+        "--validator",
+        "validator-0-validator",
+        "--name",
+        "theokayestvalidator",
+        "--email",
+        "theokayestvalidator@namada.net",
+        "--description",
+        "We are just an okay validator node trying to get by",
+        "--website",
+        "theokayestvalidator.com",
+        "--node",
+        &validator_one_rpc,
+    ]);
+
+    let captured =
+        CapturedOutput::of(|| run(&node, Bin::Client, metadata_change_args));
+    assert_matches!(captured.result, Ok(_));
+    assert!(captured.contains(TX_APPLIED_SUCCESS));
+
+    // 4. Query the metadata after the change
+    let captured = CapturedOutput::of(|| {
+        run(&node, Bin::Client, metadata_query_args.clone())
+    });
+    assert_matches!(captured.result, Ok(_));
+    assert!(captured.contains("Validator name: theokayestvalidator"));
+    assert!(captured.contains("Email: theokayestvalidator@namada.net"));
+    assert!(captured.contains(
+        "Description: We are just an okay validator node trying to get by"
+    ));
+    assert!(captured.contains("Website: theokayestvalidator.com"));
+    assert!(captured.contains("No discord handle"));
+    assert!(captured.contains("commission rate:"));
+    assert!(captured.contains("max change per epoch:"));
+
+    // 5. Remove the validator website
+    let metadata_change_args = apply_use_device(vec![
+        "change-metadata",
+        "--validator",
+        "validator-0-validator",
+        "--website",
+        "",
+        "--node",
+        &validator_one_rpc,
+    ]);
+    let captured =
+        CapturedOutput::of(|| run(&node, Bin::Client, metadata_change_args));
+    assert_matches!(captured.result, Ok(_));
+    assert!(captured.contains(TX_APPLIED_SUCCESS));
+
     // 6. Query the metadata to see that the validator website is removed
     let captured =
         CapturedOutput::of(|| run(&node, Bin::Client, metadata_query_args));
diff --git a/wasm/tx_change_validator_commission/src/lib.rs b/wasm/tx_change_validator_commission/src/lib.rs
index bc30b89ebd..5dd14e0c24 100644
--- a/wasm/tx_change_validator_commission/src/lib.rs
+++ b/wasm/tx_change_validator_commission/src/lib.rs
@@ -114,7 +114,11 @@ mod tests {
 
         assert_eq!(commission_rates_pre[0], Some(initial_rate));
 
-        apply_tx(ctx(), signed_tx.batch_first_tx())?;
+        let res = apply_tx(ctx(), signed_tx.batch_first_tx());
+        if commission_change.new_rate < pos_params.min_commission_rate {
+            assert!(res.is_err());
+            return Ok(());
+        }
 
         // Read the data after the tx is executed