diff --git a/x/ccv/consumer/keeper/relay_test.go b/x/ccv/consumer/keeper/relay_test.go
index 6dbebe273f..ed6771900e 100644
--- a/x/ccv/consumer/keeper/relay_test.go
+++ b/x/ccv/consumer/keeper/relay_test.go
@@ -234,13 +234,21 @@ func TestOnAcknowledgementPacket(t *testing.T) {
 	// Set an established provider channel for later in test
 	consumerKeeper.SetProviderChannel(ctx, channelIDToProvider)
 
-	packetData := types.NewSlashPacketData(
+	slashPacketData := types.NewSlashPacketData(
 		abci.Validator{Address: bytes.HexBytes{}, Power: int64(1)}, uint64(1), stakingtypes.Infraction_INFRACTION_DOWNTIME,
 	)
 
+	// The type that'd be JSON marshaled and sent over the wire
+	consumerPacketData := types.NewConsumerPacketData(
+		types.SlashPacket,
+		&types.ConsumerPacketData_SlashPacketData{
+			SlashPacketData: slashPacketData,
+		},
+	)
+
 	// AcknowledgePacket is in reference to a packet originally sent from this (consumer) module.
 	packet := channeltypes.NewPacket(
-		packetData.GetBytes(),
+		consumerPacketData.GetBytes(),
 		1,
 		types.ConsumerPortID, // Source port
 		channelIDToDestChain, // Source channel
diff --git a/x/ccv/types/ccv.go b/x/ccv/types/ccv.go
index 91175eab5d..70921704f7 100644
--- a/x/ccv/types/ccv.go
+++ b/x/ccv/types/ccv.go
@@ -29,6 +29,8 @@ func (vsc ValidatorSetChangePacketData) ValidateBasic() error {
 	return nil
 }
 
+// GetBytes marshals the ValidatorSetChangePacketData into JSON string bytes
+// to be sent over the wire with IBC.
 func (vsc ValidatorSetChangePacketData) GetBytes() []byte {
 	valUpdateBytes := ModuleCdc.MustMarshalJSON(&vsc)
 	return valUpdateBytes
@@ -48,11 +50,6 @@ func (mat VSCMaturedPacketData) ValidateBasic() error {
 	return nil
 }
 
-func (mat VSCMaturedPacketData) GetBytes() []byte {
-	bytes := ModuleCdc.MustMarshalJSON(&mat)
-	return bytes
-}
-
 func NewSlashPacketData(validator abci.Validator, valUpdateId uint64, infractionType stakingtypes.Infraction) *SlashPacketData {
 	return &SlashPacketData{
 		Validator:      validator,
@@ -90,11 +87,6 @@ func (vdt SlashPacketData) ValidateBasic() error {
 	return nil
 }
 
-func (vdt SlashPacketData) GetBytes() []byte {
-	valDowntimeBytes := ModuleCdc.MustMarshalJSON(&vdt)
-	return valDowntimeBytes
-}
-
 func (vdt SlashPacketData) ToV1() *SlashPacketDataV1 {
 	return NewSlashPacketDataV1(vdt.Validator, vdt.ValsetUpdateId, vdt.Infraction)
 }
diff --git a/x/ccv/types/ccv_test.go b/x/ccv/types/ccv_test.go
index 596967b199..dd57b0513c 100644
--- a/x/ccv/types/ccv_test.go
+++ b/x/ccv/types/ccv_test.go
@@ -1,15 +1,17 @@
 package types_test
 
 import (
+	"strings"
 	"testing"
 
+	abci "github.com/cometbft/cometbft/abci/types"
 	"github.com/stretchr/testify/require"
 
 	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 
-	abci "github.com/cometbft/cometbft/abci/types"
-
+	"github.com/cosmos/interchain-security/v3/testutil/crypto"
 	"github.com/cosmos/interchain-security/v3/x/ccv/types"
 )
 
@@ -93,3 +95,132 @@ func TestMarshalPacketData(t *testing.T) {
 	require.Nil(t, err)
 	require.Equal(t, vpd, recovered, "unmarshaled packet data does not equal original value")
 }
+
+// TestVSCPacketDataWireBytes is a regression test that the JSON schema
+// for ValidatorSetChangePacketData (sent over the wire) does not change.
+func TestVSCPacketDataWireBytes(t *testing.T) {
+
+	cId1 := crypto.NewCryptoIdentityFromIntSeed(4732894)
+	cId2 := crypto.NewCryptoIdentityFromIntSeed(4732895)
+
+	pd := types.NewValidatorSetChangePacketData(
+		[]abci.ValidatorUpdate{
+			{
+				PubKey: cId1.TMProtoCryptoPublicKey(),
+				Power:  30,
+			},
+			{
+				PubKey: cId2.TMProtoCryptoPublicKey(),
+				Power:  20,
+			},
+		},
+		73,
+		[]string{"slash", "acks", "example"},
+	)
+
+	jsonBz := pd.GetBytes()
+	str := string(jsonBz)
+
+	// Expected string formatted for human readability
+	expectedStr := `{
+		"validator_updates": [
+			{
+				"pub_key": {
+					"ed25519": "SMxP2pXAuxQC7FmBn4dh4Kt5eYdQFWC/wN7oWobZKds="
+				},
+				"power": "30"
+			},
+			{
+				"pub_key": {
+					"ed25519": "J/nGy0vCXhgVbr8S71B4ZgHi4fsMqtDxDlERZ+gG238="
+				},
+				"power": "20"
+			}
+		],
+		"valset_update_id": "73",
+		"slash_acks": ["slash", "acks", "example"]
+	}`
+
+	// Remove newlines, tabs, and spaces for comparison
+	expectedStr = strings.ReplaceAll(expectedStr, "\n", "")
+	expectedStr = strings.ReplaceAll(expectedStr, "\t", "")
+	expectedStr = strings.ReplaceAll(expectedStr, " ", "")
+
+	require.Equal(t, expectedStr, str)
+}
+
+// TestSlashPacketDataWireBytes is a regression test that the JSON schema
+// for SlashPacketData (sent over the wire) does not change.
+func TestSlashPacketDataWireBytes(t *testing.T) {
+
+	// Construct consumer packet data wrapping slash packet data
+	cId := crypto.NewCryptoIdentityFromIntSeed(4732894342)
+	slashPacketData := types.NewSlashPacketData(
+		abci.Validator{Address: cId.SDKValConsAddress(),
+			Power: int64(4328)},
+		uint64(894732),
+		stakingtypes.Infraction_INFRACTION_DOUBLE_SIGN,
+	)
+
+	// The type that'd be JSON marshaled and sent over the wire
+	cpd := types.NewConsumerPacketData(
+		types.SlashPacket,
+		&types.ConsumerPacketData_SlashPacketData{
+			SlashPacketData: slashPacketData,
+		},
+	)
+
+	jsonBz := cpd.GetBytes()
+	str := string(jsonBz)
+
+	// Expected string formatted for human readability
+	expectedStr := `{
+		"type": "CONSUMER_PACKET_TYPE_SLASH",
+		"slashPacketData": {
+			"validator": {
+				"address": "BP9q4oXCgubvoujOKyxIxd+3IwM=",
+				"power": "4328"
+			},
+			"valset_update_id": "894732",
+			"infraction": "INFRACTION_TYPE_DOUBLE_SIGN"
+		}
+	}`
+
+	// Remove newlines, tabs, and spaces for comparison
+	expectedStr = strings.ReplaceAll(expectedStr, "\n", "")
+	expectedStr = strings.ReplaceAll(expectedStr, "\t", "")
+	expectedStr = strings.ReplaceAll(expectedStr, " ", "")
+
+	require.Equal(t, expectedStr, str)
+}
+
+// TestVSCMaturedPacketDataWireBytes is a regression test that the JSON schema
+// for VSCMaturedPacketData (sent over the wire) does not change.
+func TestVSCMaturedPacketDataWireBytes(t *testing.T) {
+
+	// Construct consumer packet data wrapping vsc matured packet data
+	cpd := types.ConsumerPacketData{
+		Type: types.VscMaturedPacket,
+		Data: &types.ConsumerPacketData_VscMaturedPacketData{
+			VscMaturedPacketData: types.NewVSCMaturedPacketData(84923),
+		},
+	}
+
+	jsonBz := cpd.GetBytes()
+	str := string(jsonBz)
+
+	// Expected string formatted for human readability
+	expectedStr := `{
+		"type": "CONSUMER_PACKET_TYPE_VSCM",
+		"vscMaturedPacketData": {
+			"valset_update_id": "84923"
+		}	
+	}`
+
+	// Remove newlines, tabs, and spaces for comparison
+	expectedStr = strings.ReplaceAll(expectedStr, "\n", "")
+	expectedStr = strings.ReplaceAll(expectedStr, "\t", "")
+	expectedStr = strings.ReplaceAll(expectedStr, " ", "")
+
+	require.Equal(t, expectedStr, str)
+}