diff --git a/inc/ECSS_Definitions.hpp b/inc/ECSS_Definitions.hpp
index 1f000979a32969565a7cdee0d7e91f63779da207..430e6bfe40f64f5f8b88b630ac44731ab2289df4 100644
--- a/inc/ECSS_Definitions.hpp
+++ b/inc/ECSS_Definitions.hpp
@@ -8,6 +8,13 @@
 // 7.4.1
 #define CCSDS_PACKET_VERSION 0
 
+/**
+ * @brief Maximum length of a String converted TC packet message
+ * @details This definition refers to the maximum length that an embedded TC packet, meaning a TC
+ * packet contained in a message request as a part of the request.
+ */
+#define ECSS_TC_REQUEST_STRING_SIZE 64
+
 // 7.4.4.1c
 #define ECSS_PUS_VERSION 2
 
diff --git a/inc/ErrorHandler.hpp b/inc/ErrorHandler.hpp
index c61bce43f280e5a2b7f276befc132189e736d812..ad37a3d7ee5de3c9137177f2cd750b9a4e972b9e 100644
--- a/inc/ErrorHandler.hpp
+++ b/inc/ErrorHandler.hpp
@@ -110,20 +110,10 @@ public:
 		  */
 		  EventActionDeleteEnabledDefinitionError = 2,
 		  /**
-		   * In the Event Action Service, in the deleteEventActionDefinition function, an attempt
-		   * was made to delete an unknown event action definition
+		   * In the Event Action Service, an access attempt was made to an unknown event
+		   * action definition
 		   */
-		   EventActionDeleteUnknownDefinitionError = 3,
-			/**
-			* In the Event Action Service, in the enableEventActionDefinition function, an attempt
-			* was made to enable an unknown event action definition
-			*/
-			EventActionEnableUnknownDefinitionError = 4,
-			/**
-	   		* In the Event Action Service, in the disableEventActionDefinition function, an attempt
-	   		* was made to disable an unknown event action definition
-	   		*/
-			EventActionDisableUnknownDefinitionError = 5,
+		   EventActionUnknownDefinitionError = 3,
 		};
 
 	/**
diff --git a/inc/Services/EventActionService.hpp b/inc/Services/EventActionService.hpp
index e645175b994e032fe8b4fffc87a0694cbdaf7a45..f7a7dbb5cc6fa91680d05e5ccaf88c2c94fc3d06 100644
--- a/inc/Services/EventActionService.hpp
+++ b/inc/Services/EventActionService.hpp
@@ -47,7 +47,7 @@ private:
 
 public:
 	struct EventActionDefinition {
-		//+@TODO: APID = 0 is the Ground Station APID. This should be changed
+		// TODO: APID = 0 is the Ground Station APID. This should be changed
 		uint16_t applicationId = 0;
 		uint16_t eventDefinitionID = 65535;
 		String<64> request = "";
diff --git a/src/Services/EventActionService.cpp b/src/Services/EventActionService.cpp
index eff760679cdbf55407aa4880aa220b2564f03c2b..37bc2bede8cd59a78afc7fd17960c84334d45baa 100644
--- a/src/Services/EventActionService.cpp
+++ b/src/Services/EventActionService.cpp
@@ -2,6 +2,9 @@
 #include "Message.hpp"
 #include "MessageParser.hpp"
 
+// todo: Replace the checks for the message.messageType, message.packetType and message
+//  .ServiceType with assertions
+
 void EventActionService::addEventActionDefinitions(Message &message) {
 	// TC[19,1]
 
@@ -14,17 +17,17 @@ void EventActionService::addEventActionDefinitions(Message &message) {
 			temp.enabled = true;
 			temp.applicationId = applicationID;
 			temp.eventDefinitionID = eventDefinitionID;
-			if (message.dataSize - 4 > ECSS_EVENT_SERVICE_STRING_SIZE) {
-				ErrorHandler::reportInternalError(ErrorHandler::InternalErrorType::MessageTooLarge);
+			if (message.dataSize - 4 > ECSS_TC_REQUEST_STRING_SIZE) {
+				ErrorHandler::reportInternalError(ErrorHandler::MessageTooLarge);
 			} else {
-				char data[ECSS_EVENT_SERVICE_STRING_SIZE];
+				char data[ECSS_TC_REQUEST_STRING_SIZE];
 				message.readString(data, message.dataSize - 4);
-				temp.request = String<ECSS_EVENT_SERVICE_STRING_SIZE>(data);
+				temp.request = String<ECSS_TC_REQUEST_STRING_SIZE>(data);
 			}
 			eventActionDefinitionMap.insert(std::make_pair(eventDefinitionID, temp));
 		} else {
 			ErrorHandler::reportError(message,
-				ErrorHandler::ExecutionStartErrorType::EventActionAddExistingDefinitionError);
+				ErrorHandler::EventActionAddExistingDefinitionError);
 		}
 	}
 }
@@ -44,13 +47,13 @@ void EventActionService::deleteEventActionDefinitions(Message &message) {
 				eventActionDefinitionMap[eventDefinitionID].applicationId = applicationID;
 				if (eventActionDefinitionMap[eventDefinitionID].enabled == true) {
 					ErrorHandler::reportError(message,
-					ErrorHandler::ExecutionStartErrorType::EventActionDeleteEnabledDefinitionError);
+					ErrorHandler::EventActionDeleteEnabledDefinitionError);
 				} else {
 					eventActionDefinitionMap.erase(eventDefinitionID);
 				}
 			} else {
 				ErrorHandler::reportError(message,
-				    ErrorHandler::ExecutionStartErrorType::EventActionDeleteUnknownDefinitionError);
+				    ErrorHandler::EventActionUnknownDefinitionError);
 			}
 		}
 	}
@@ -76,16 +79,13 @@ void EventActionService::enableEventActionDefinitions(Message &message) {
 				uint16_t eventDefinitionID = message.readEnum16();
 				if (eventActionDefinitionMap.find(eventDefinitionID) != eventActionDefinitionMap
 					.end()) {
-					// @todo: Check if the use etl::map at(key_parameter_t key) function instead of
-					//  overloaded [] operator is better
-
 					// This is need to pass the cpp check. The applicationId should be used
 					// somewhere
 					eventActionDefinitionMap[eventDefinitionID].applicationId = applicationID;
 					eventActionDefinitionMap[eventDefinitionID].enabled = true;
 				} else {
 					ErrorHandler::reportError(message,
-					ErrorHandler::ExecutionStartErrorType::EventActionEnableUnknownDefinitionError);
+					ErrorHandler::EventActionUnknownDefinitionError);
 				}
 			}
 		} else {
@@ -107,16 +107,13 @@ void EventActionService::disableEventActionDefinitions(Message &message) {
 				uint16_t eventDefinitionID = message.readEnum16();
 				if (eventActionDefinitionMap.find(eventDefinitionID) != eventActionDefinitionMap
 					.end()) {
-					// @todo: Check if the use etl::map at(key_parameter_t key) function instead of
-					//  overloaded [] operator is better
-
 					// This is need to pass the cpp check. The applicationId should be used
 					// somewhere
 					eventActionDefinitionMap[eventDefinitionID].applicationId = applicationID;
 					eventActionDefinitionMap[eventDefinitionID].enabled = false;
 				} else {
 					ErrorHandler::reportError(message,
-				ErrorHandler::ExecutionStartErrorType::EventActionDisableUnknownDefinitionError);
+				ErrorHandler::EventActionUnknownDefinitionError);
 				}
 			}
 		} else {
@@ -169,8 +166,6 @@ void EventActionService::executeAction(uint16_t eventID) {
 	// Custom function
 	if (eventActionFunctionStatus) {
 		if (eventActionDefinitionMap.find(eventID) != eventActionDefinitionMap.end()) {
-			// @todo: Check if the use etl::map at(key_parameter_t key) function instead of
-			//  overloaded [] operator is better
 			if (eventActionDefinitionMap[eventID].enabled) {
 				MessageParser messageParser;
 				Message message = messageParser.parseRequestTC(
diff --git a/test/Services/EventActionService.cpp b/test/Services/EventActionService.cpp
index 9c9366ab3f0dcc6d54d817d014222af2765c9390..9faf7618a92aa8f3f22513ff755ab1a2622aedcb 100644
--- a/test/Services/EventActionService.cpp
+++ b/test/Services/EventActionService.cpp
@@ -10,7 +10,8 @@
 
 EventActionService & eventActionService = Services.eventAction;
 
-TEST_CASE("Add event-action definitions TC[19,1]", "[service][st09]") {
+TEST_CASE("Add event-action definitions TC[19,1]", "[service][st19]") {
+
 	Message message(19, 1, Message::TC, 0);
 	message.appendEnum16(0);
 	message.appendEnum16(2);
@@ -37,31 +38,35 @@ TEST_CASE("Add event-action definitions TC[19,1]", "[service][st09]") {
 	CHECK(eventActionService.eventActionDefinitionMap[3].request.compare(data) == 0);
 }
 
-TEST_CASE("Delete event-action definitions TC[19,2]", "[service][st09]") {
+TEST_CASE("Delete event-action definitions TC[19,2]", "[service][st19]") {
 	Message message0(19, 1, Message::TC, 0);
 	message0.appendEnum16(1);
 	message0.appendEnum16(0);
 	String<64> data = "0";
 	message0.appendString(data);
 	eventActionService.addEventActionDefinitions(message0);
+
 	Message message1(19, 1, Message::TC, 0);
 	message1.appendEnum16(1);
 	message1.appendEnum16(1);
 	data = "1";
 	message1.appendString(data);
 	eventActionService.addEventActionDefinitions(message1);
+
 	Message message2(19, 1, Message::TC, 0);
 	message2.appendEnum16(1);
 	message2.appendEnum16(2);
 	data = "2";
 	message2.appendString(data);
 	eventActionService.addEventActionDefinitions(message2);
+
 	Message message3(19, 1, Message::TC, 0);
 	message3.appendEnum16(1);
 	message3.appendEnum16(3);
 	data = "3";
 	message3.appendString(data);
 	eventActionService.addEventActionDefinitions(message3);
+
 	Message message4(19, 1, Message::TC, 0);
 	message4.appendEnum16(1);
 	message4.appendEnum16(4);
@@ -76,6 +81,7 @@ TEST_CASE("Delete event-action definitions TC[19,2]", "[service][st09]") {
 	message.appendEnum16(1);
 	message.appendEnum16(2);
 	eventActionService.disableEventActionDefinitions(message);
+
 	Message message5(19, 2, Message::TC, 0);
 	message5.appendUint16(2);
 	message5.appendEnum16(1);
@@ -111,31 +117,35 @@ TEST_CASE("Delete event-action definitions TC[19,2]", "[service][st09]") {
 
 }
 
-TEST_CASE("Delete all event-action definitions TC[19,3]", "[service][st09]") {
+TEST_CASE("Delete all event-action definitions TC[19,3]", "[service][st19]") {
 	Message message0(19, 1, Message::TC, 0);
 	message0.appendEnum16(1);
 	message0.appendEnum16(0);
 	String<64> data = "0";
 	message0.appendString(data);
 	eventActionService.addEventActionDefinitions(message0);
+
 	Message message1(19, 1, Message::TC, 0);
 	message1.appendEnum16(1);
 	message1.appendEnum16(1);
 	data = "1";
 	message1.appendString(data);
 	eventActionService.addEventActionDefinitions(message1);
+
 	Message message2(19, 1, Message::TC, 0);
 	message2.appendEnum16(1);
 	message2.appendEnum16(2);
 	data = "2";
 	message2.appendString(data);
 	eventActionService.addEventActionDefinitions(message2);
+
 	Message message3(19, 1, Message::TC, 0);
 	message3.appendEnum16(1);
 	message3.appendEnum16(3);
 	data = "3";
 	message3.appendString(data);
 	eventActionService.addEventActionDefinitions(message3);
+
 	Message message4(19, 1, Message::TC, 0);
 	message4.appendEnum16(1);
 	message4.appendEnum16(4);
@@ -153,19 +163,21 @@ TEST_CASE("Delete all event-action definitions TC[19,3]", "[service][st09]") {
 	}
 }
 
-TEST_CASE("Enable event-action definitions TC[19,4]", "[service][st09]") {
+TEST_CASE("Enable event-action definitions TC[19,4]", "[service][st19]") {
 	Message message0(19, 1, Message::TC, 0);
 	message0.appendEnum16(1);
 	message0.appendEnum16(0);
 	String<64> data = "0";
 	message0.appendString(data);
 	eventActionService.addEventActionDefinitions(message0);
+
 	Message message1(19, 1, Message::TC, 0);
 	message1.appendEnum16(1);
 	message1.appendEnum16(1);
 	data = "00";
 	message1.appendString(data);
 	eventActionService.addEventActionDefinitions(message1);
+
 	Message message2(19, 5, Message::TC, 0);
 	message2.appendUint16(2);
 	message2.appendEnum16(1);
@@ -173,6 +185,7 @@ TEST_CASE("Enable event-action definitions TC[19,4]", "[service][st09]") {
 	message2.appendEnum16(1);
 	message2.appendEnum16(1);
 	eventActionService.disableEventActionDefinitions(message2);
+
 	CHECK(eventActionService.eventActionDefinitionMap[0].enabled == 0);
 	CHECK(eventActionService.eventActionDefinitionMap[1].enabled == 0);
 	Message message3(19, 4, Message::TC, 0);
@@ -182,33 +195,37 @@ TEST_CASE("Enable event-action definitions TC[19,4]", "[service][st09]") {
 	message3.appendEnum16(1);
 	message3.appendEnum16(1);
 	eventActionService.enableEventActionDefinitions(message3);
+
 	CHECK(eventActionService.eventActionDefinitionMap[0].enabled == 1);
 	CHECK(eventActionService.eventActionDefinitionMap[1].enabled == 1);
 }
 
-TEST_CASE("Disable event-action definitions TC[19,5]", "[service][st09]") {
+TEST_CASE("Disable event-action definitions TC[19,5]", "[service][st19]") {
 	Message message0(19, 1, Message::TC, 0);
 	message0.appendEnum16(1);
 	message0.appendEnum16(0);
 	String<64> data = "0";
 	message0.appendString(data);
 	eventActionService.addEventActionDefinitions(message0);
+
 	Message message1(19, 1, Message::TC, 0);
 	message1.appendEnum16(1);
 	message1.appendEnum16(0);
 	data = "00";
 	message1.appendString(data);
 	eventActionService.addEventActionDefinitions(message1);
+
 	Message message2(19, 5, Message::TC, 0);
 	message2.appendUint16(1);
 	message2.appendEnum16(1);
 	message2.appendEnum16(0);
 	eventActionService.disableEventActionDefinitions(message2);
+
 	CHECK(eventActionService.eventActionDefinitionMap[0].enabled == 0);
 	CHECK(eventActionService.eventActionDefinitionMap[1].enabled == 0);
 }
 
-TEST_CASE("Request event-action definition status TC[19,6]", "[service][st09]") {
+TEST_CASE("Request event-action definition status TC[19,6]", "[service][st19]") {
 	Message message(19, 6, Message::TC, 0);
 	eventActionService.requestEventActionDefinitionStatus(message);
 	REQUIRE(ServiceTests::hasOneMessage());
@@ -217,24 +234,27 @@ TEST_CASE("Request event-action definition status TC[19,6]", "[service][st09]")
 	CHECK(report.messageType == 7);
 }
 
-TEST_CASE("Event-action status report TM[19,7]", "[service][st09]") {
+TEST_CASE("Event-action status report TM[19,7]", "[service][st19]") {
 	Message message0(19, 1, Message::TC, 0);
 	message0.appendEnum16(1);
 	message0.appendEnum16(0);
 	String<64> data = "0";
 	message0.appendString(data);
 	eventActionService.addEventActionDefinitions(message0);
+
 	Message message1(19, 1, Message::TC, 0);
 	message1.appendEnum16(1);
 	message1.appendEnum16(2);
 	data = "2";
 	message1.appendString(data);
 	eventActionService.addEventActionDefinitions(message1);
+
 	Message message2(19, 5, Message::TC, 0);
 	message2.appendUint16(1);
 	message2.appendEnum16(1);
 	message2.appendEnum16(0);
 	eventActionService.disableEventActionDefinitions(message2);
+
 	eventActionService.eventActionStatusReport();
 	REQUIRE(ServiceTests::hasOneMessage());
 
@@ -248,18 +268,18 @@ TEST_CASE("Event-action status report TM[19,7]", "[service][st09]") {
 	CHECK(report.readUint8() == 1);
 }
 
-TEST_CASE("Enable event-action function TC[19,8]", "[service][st09]") {
+TEST_CASE("Enable event-action function TC[19,8]", "[service][st19]") {
 	Message message(19, 8, Message::TC, 0);
 	eventActionService.enableEventActionFunction(message);
 	CHECK(eventActionService.getEventActionFunctionStatus() == true);
 }
 
-TEST_CASE("Disable event-action function TC[19,9]", "[service][st09]") {
+TEST_CASE("Disable event-action function TC[19,9]", "[service][st19]") {
 	Message message(19, 9, Message::TC, 0);
 	eventActionService.disableEventActionFunction(message);
 	CHECK(eventActionService.getEventActionFunctionStatus() == false);
 }
 
-TEST_CASE("Execute a TC request", "[service][st09]"){
+TEST_CASE("Execute a TC request", "[service][st19]"){
 
 }