diff --git a/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_01.robot b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_01.robot
new file mode 100644
index 0000000000000000000000000000000000000000..8b5a464ca5faf6b34e6ac3d4859cec9779f59b0f
--- /dev/null
+++ b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_01.robot
@@ -0,0 +1,24 @@
+*** Settings ***
+Documentation   Check that you can create a subscription
+Resource    ${EXECDIR}/resources/ApiUtils.resource
+Resource    ${EXECDIR}/resources/AssertionUtils.resource
+Resource    ${EXECDIR}/resources/JsonUtils.resource
+
+*** Variable ***
+${subscription_id_prefix}=  urn:ngsi-ld:Subscription:
+${subscription_payload_file_path}=   subscriptions/subscription-sample.jsonld
+
+*** Test Cases ***
+Create Subscription   
+    [Documentation]  Check that you can create a subscription
+    [Tags]  sub-create    5_8_1
+
+    ${subscription_id}=     Generate Random Entity Id    ${subscription_id_prefix}
+
+    Create Subscription  ${subscription_id}     ${subscription_payload_file_path}   ${CONTENT_TYPE_LD_JSON}
+    
+    ${created_subscription}=    Load Test Sample    ${subscription_payload_file_path}      ${subscription_id}
+    Retrieve Subscription    ${subscription_id}     context=${ngsild_test_suite_context}
+    Check Created Resource Set To     ${created_subscription}
+
+    [Teardown]    Delete Subscription     ${subscription_id}
\ No newline at end of file
diff --git a/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_02.robot b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_02.robot
new file mode 100644
index 0000000000000000000000000000000000000000..120b7fd2e96b1b685d83c14d2afc17ce04be4368
--- /dev/null
+++ b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_02.robot
@@ -0,0 +1,22 @@
+*** Settings ***
+Documentation   Check that you cannot create a subscription with an invalid request
+Resource    ${EXECDIR}/resources/ApiUtils.resource
+Resource    ${EXECDIR}/resources/AssertionUtils.resource
+
+Test Template  Create Subscription With Invalid Request
+
+*** Test Cases ***                           FILENAME                         
+031_02_01_InvalidJson                        subscription-invalid-json-sample.jsonld            
+031_02_02_EmptyJson                          subscription-empty-sample.jsonld    
+
+*** Keywords ***
+Create Subscription With Invalid Request
+    [Arguments]  ${filename}
+    [Documentation]  Check that you cannot create a subscription with an invalid request
+    [Tags]   sub-create    5_8_1
+
+    Create Subscription From File   ${filename}
+
+    Check RL Response Status Code Set To Expected Code    400
+    Check RL Response Body Containing ProblemDetails Element Containing Type Element set to      ${response}     ${ERROR_TYPE_BAD_REQUEST_DATA}
+    Check RL Response Body Containing ProblemDetails Element Containing Title Element    ${response}
\ No newline at end of file
diff --git a/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_03.robot b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_03.robot
new file mode 100644
index 0000000000000000000000000000000000000000..661afb526a9cea781442c822bbc7097380c9a5f5
--- /dev/null
+++ b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_03.robot
@@ -0,0 +1,28 @@
+*** Settings ***
+Documentation   Check that you cannot create a subscription with an invalid/empty id
+Resource    ${EXECDIR}/resources/ApiUtils.resource
+Resource    ${EXECDIR}/resources/AssertionUtils.resource
+Resource    ${EXECDIR}/resources/JsonUtils.resource
+
+Test Template  Create Subscription With Invalid/Empty Id
+
+*** Variables ***
+${subscription_payload_file_path}=  subscriptions/subscription-sample.jsonld
+
+*** Test Cases ***               ID                         
+031_03_01_InvalidId              invalidId       
+031_03_02_EmptyId                ${EMPTY}   
+
+*** Keywords ***
+Create Subscription With Invalid/Empty Id
+    [Arguments]  ${subscription_id}
+    [Documentation]  Check that you cannot create a subscription with an invalid/empty id
+    [Tags]   sub-create    5_8_1
+
+    ${response}=  Create Subscription  ${subscription_id}     ${subscription_payload_file_path}    ${CONTENT_TYPE_LD_JSON}
+    
+    Check Response Status Code  400    ${response['status']}
+    Check Response Body Containing ProblemDetails Element Containing Type Element set to      ${response}     ${ERROR_TYPE_BAD_REQUEST_DATA}
+    Check Response Body Containing ProblemDetails Element Containing Title Element    ${response}
+
+    [Teardown]    Delete Subscription     ${subscription_id}
\ No newline at end of file
diff --git a/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_04.robot b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_04.robot
new file mode 100644
index 0000000000000000000000000000000000000000..76d279d79572de0aa3feae4173e10947eb8e3762
--- /dev/null
+++ b/TP/NGSI-LD/ContextInformation/Subscription/CreateSubscription/031_04.robot
@@ -0,0 +1,26 @@
+*** Settings ***
+Documentation   Check that you cannot create a subscription with an existing id
+Resource    ${EXECDIR}/resources/ApiUtils.resource
+Resource    ${EXECDIR}/resources/AssertionUtils.resource
+Resource    ${EXECDIR}/resources/JsonUtils.resource
+
+*** Variable ***
+${subscription_id_prefix}=  urn:ngsi-ld:Subscription:
+${subscription_payload_file_path}=   subscriptions/subscription-sample.jsonld
+
+*** Test Case ***
+Create a subscription with an id known to the system
+    [Documentation]  Check that you cannot create a subscription with an existing id
+    [Tags]   sub-create    5_8_1
+
+    ${subscription_id}=     Generate Random Entity Id    ${subscription_id_prefix}
+    Create Subscription  ${subscription_id}     ${subscription_payload_file_path}    ${CONTENT_TYPE_LD_JSON}
+    
+    ${response}=  Create Subscription  ${subscription_id}     ${subscription_payload_file_path}    ${CONTENT_TYPE_LD_JSON}
+
+    Check Response Status Code  409    ${response['status']}
+    Check Response Body Containing ProblemDetails Element Containing Type Element set to      ${response}     ${ERROR_TYPE_ALREADY_EXISTS}
+    Check Response Body Containing ProblemDetails Element Containing Title Element    ${response}
+
+    [Teardown]    Delete Subscription     ${subscription_id}
+
diff --git a/data/subscriptions/subscription-empty-sample.jsonld b/data/subscriptions/subscription-empty-sample.jsonld
new file mode 100644
index 0000000000000000000000000000000000000000..7a73a41bfdf76d6f793007240d80983a52f15f97
--- /dev/null
+++ b/data/subscriptions/subscription-empty-sample.jsonld
@@ -0,0 +1,2 @@
+{
+}
\ No newline at end of file
diff --git a/data/subscriptions/subscription-invalid-json-sample.jsonld b/data/subscriptions/subscription-invalid-json-sample.jsonld
new file mode 100644
index 0000000000000000000000000000000000000000..bf9772f9ed7e452da2d97b75109baa73dab0a2ba
--- /dev/null
+++ b/data/subscriptions/subscription-invalid-json-sample.jsonld
@@ -0,0 +1,19 @@
+{
+   "id":"urn:ngsi-ld:Subscription:randomUUID",,
+   "type":"Subscription",
+   "entities":[
+      {
+         "type":"Building"
+      }
+   ],
+   "notification":{
+      "format":"keyValues",
+      "endpoint":{
+         "uri":"http://my.endpoint.org/notify",
+         "accept":"application/json"
+      }
+   },
+   "@context":[
+      "https://raw.githubusercontent.com/easy-global-market/ngsild-api-data-models/feature/add-json-ld-context-for-ngsi-ld-test-suite/ngsi-ld-test-suite/ngsi-ld-test-suite-context.jsonld"
+   ]
+}
\ No newline at end of file
diff --git a/resources/ApiUtils.resource b/resources/ApiUtils.resource
index 36efc472587d0db513cd9061cf3356f66b854047..78163f0bbcfd6e9311a623fa7e598c2eda1e30e8 100755
--- a/resources/ApiUtils.resource
+++ b/resources/ApiUtils.resource
@@ -691,6 +691,13 @@ Create Subscription
     Output  response
     [return]   ${response}
 
+Create Subscription From File
+    [Arguments]  ${filename}
+    ${file_content}=    Get File    ${EXECDIR}/data/subscriptions/${filename}
+    Create Session    SubscriptionCreateRequest      ${url}
+    ${response}=  PATCH On Session      SubscriptionCreateRequest   ${SUBSCRIPTION_ENDPOINT_PATH}  data=${file_content}   expected_status=any
+    Set Test Variable  ${response}
+
 Update Subscription
     [Arguments]  ${subscription_id}     ${fragment_filename}    ${content_type}    ${accept}=${EMPTY}   ${context}=${EMPTY}
     &{headers}=  Create Dictionary  Content-Type=${content_type}