diff --git a/core/models/pydantic_models/ServerReply.py b/core/models/pydantic_models/ServerReply.py
index b607d03..191711d 100644
--- a/core/models/pydantic_models/ServerReply.py
+++ b/core/models/pydantic_models/ServerReply.py
@@ -7,6 +7,7 @@ from datetime import datetime
 from enum import Enum
 from typing import Any, Optional
 
+
 class ServerError(str, Enum):
     """Why the Server's Operation was False."""
     NONE = "none"
@@ -24,8 +25,9 @@ class ServerError(str, Enum):
     SERVER_SIDE = "server_side"
 
 
+# @validate_types
+
 @dataclass_json
-@validate_types
 @dataclass
 class ServerReply():
     """Server-Client Communication Format."""
@@ -38,7 +40,12 @@ class ServerReply():
     boolean_result: Optional[bool] = None
     conf: Optional[str] = None
     payment_status: Optional[bool] = None
-    expires_at: Optional[datetime] = None
+    expires_at: Optional[datetime] = field(
+        default=None, 
+        metadata=config(
+            decoder=lambda x: datetime.fromisoformat(x.replace('Z', '+00:00')) if x else None
+        )
+    )
 
 
 
diff --git a/core/services/payment_phase/payment_update_tools.py b/core/services/payment_phase/payment_update_tools.py
index 580c6a4..2c87e87 100644
--- a/core/services/payment_phase/payment_update_tools.py
+++ b/core/services/payment_phase/payment_update_tools.py
@@ -9,6 +9,7 @@ from core.errors.logger import logger
 from core.errors.error_shortcuts import not_supported
 from core.observers.Notifications import Notifications, EventType
 
+from typing import Optional
 
 def _mark_profile_as_paid(profile_id: int):
     """Save to disk that an individual profile is paid."""
@@ -68,7 +69,7 @@ def mark_as_paid() -> Result:
     return Result(valid=True)
 
 
-def check_paid(billing_code: str, connection_observer: ConnectionObserver) -> Result:
+def check_paid(billing_code: str, connection_observer: ConnectionObserver, get_expired_date: Optional[bool] = False) -> Result:
     """
     Purpose:
         Evaluates Payment Status for EITHER payment category
@@ -95,22 +96,51 @@ def check_paid(billing_code: str, connection_observer: ConnectionObserver) -> Re
         "billing_code": billing_code
     }
 
-    result = api_call_and_extraction(
-        desired_type="payment_status",
+    #-----------------
+    # Just get paid or not
+    #-----------------
+    if not get_expired_date:
+
+        result = api_call_and_extraction(
+            desired_type="payment_status",
+            method=ApiCall.POST,
+            url=url,
+            connection_observer=connection_observer,
+            payload=submit_data
+        )
+
+        if not result.valid:
+            return result
+
+        payment_status = result.data
+        
+        # paid
+        if payment_status:
+            return Result(valid=True, message="paid")
+        else:
+            return Result(valid=False, error_type=ResultError.UNPAID, message="The API call went through, but this subscription is not yet paid.")
+
+
+    #-----------------
+    # Find out if Paid & Get expiration:
+    #-----------------
+    # Get entire ServerReply
+    server_reply = api_call_and_extraction(
+        desired_type=None,
         method=ApiCall.POST,
         url=url,
         connection_observer=connection_observer,
-        payload=submit_data
+        payload=submit_data,
+        return_server_reply=True # get server reply
     )
 
-    if not result.valid:
-        return result
+    if not server_reply.valid:
+        return server_reply
 
-    payment_status = result.data
-    
-    # paid
-    if payment_status:
-        return Result(valid=True, message="paid")
-    else:
-       return Result(valid=False, error_type=ResultError.UNPAID, message="The API call went through, but this subscription is not yet paid.")
+    payment_status = server_reply.payment_status
+    expires_at = server_reply.expires_at
 
+    if payment_status and expires_at:
+        return Result(valid=True, data=expires_at, message="Paid with an expiration")
+
+    return Result(valid=False, error_type=ResultError.UNPAID, message="The API call went through, but this subscription is not yet paid.")
\ No newline at end of file
diff --git a/core/services/payment_phase/pre_existing.py b/core/services/payment_phase/pre_existing.py
new file mode 100644
index 0000000..b8d63a1
--- /dev/null
+++ b/core/services/payment_phase/pre_existing.py
@@ -0,0 +1,38 @@
+from core.services.payment_phase.payment_update_tools import check_paid
+from core.services.subscriptions.subscriptions_by_protocol import save_billing_code, wipe_billing_cycle_IF_its_this_profile
+from core.services.payment_phase.payment_state import OverallPaymentCycle
+from core.models.Result import Result
+from core.errors.logger import logger
+from core.observers.ConnectionObserver import ConnectionObserver
+
+
+def check_then_save_billing_code(profile_id: int, billing_code: str, connection_observer: ConnectionObserver) -> Result:
+    """Check if a billing code is paid for, and if it is, then save it and wipe the profile's billing cycle"""
+
+    logger.info(f"Checking payment status of a pre-existing billing code for profile {str(profile_id)}")
+
+    payment_result = check_paid(billing_code=billing_code, connection_observer=connection_observer, get_expired_date=True)
+
+    if not payment_result.valid:
+        logger.error(f"Check of paid came back that it's NOT paid, despite the user using a pre-existing billing code. {payment_result.message}")
+        return payment_result
+
+    expires_at = payment_result.data
+
+    saved = save_billing_code(
+        profile_id=profile_id,
+        billing_code=billing_code,
+        expires_at=expires_at, 
+        which_ticket=None,
+        billing_pending=False
+    )
+
+    if saved.valid:
+        print("save worked, we are clearing the billing cycle")
+        wiped = wipe_billing_cycle_IF_its_this_profile(profile_id)
+        if not wiped.valid:
+            logger.error(f"Unable to wipe the current billing cycle: {wiped.message}")
+        return wiped
+    else:
+        logger.error(f"failed to save the new billing code, returning the saved result {saved}")
+        return saved
\ No newline at end of file
diff --git a/core/services/profiles/profile_connections.py b/core/services/profiles/profile_connections.py
index e7427be..400a8df 100644
--- a/core/services/profiles/profile_connections.py
+++ b/core/services/profiles/profile_connections.py
@@ -14,6 +14,8 @@ from core.observers.TicketObserver import TicketObserver
 from core.services.assassin.ticket_respawn import respawn_profile
 from core.services.assassin import assassin_tools
 from core.errors.logger import logger
+from core.services.payment_phase.payment_state import OverallPaymentCycle
+from core.services.subscriptions.subscriptions_by_protocol import wipe_billing_cycle_IF_its_this_profile
 
 from core.Errors import InvalidSubscriptionError, MissingSubscriptionError, ConnectionTerminationError, ProfileActivationError, ProfileDeactivationError, MissingLocationError, ConnectionUnprotectedError, EndpointVerificationError, ProfileStateConflictError
 from core.controllers.ApplicationController import ApplicationController
@@ -310,6 +312,14 @@ def destroy_profile(
     2) Disabling it,
     3) Destroying it on disk & cache
     """
+    ####################################
+    # ACTIVE BILLING STATE:
+    ####################################
+    wiped = wipe_billing_cycle_IF_its_this_profile(profile.id)
+    if not wiped.valid:
+        logger.error(f"Unable to wipe the current billing cycle: {wiped.message}")
+        return wiped
+
     ####################################
     # RESPAWN TICKET
     ####################################
diff --git a/core/services/subscriptions/subscriptions_by_protocol.py b/core/services/subscriptions/subscriptions_by_protocol.py
index 11f62f9..1408425 100644
--- a/core/services/subscriptions/subscriptions_by_protocol.py
+++ b/core/services/subscriptions/subscriptions_by_protocol.py
@@ -474,6 +474,20 @@ def get_current_billing_data(category: Optional[PaymentCategory] = None, profile
     return Result(valid=True, data=billing_data)
 
 
+
+def wipe_billing_cycle_IF_its_this_profile(profile_id) -> Result:
+    # Overall State:
+    payment_cycle = OverallPaymentCycle()
+    if not payment_cycle:
+        return Result(valid=True)
+    
+    if payment_cycle.billing_code != profile_id:
+        return Result(valid=True)
+
+    return wipe_billing_cycle(inserted_profile_id=profile.id)
+
+
+
 def wipe_billing_cycle(inserted_profile_id: Optional[int] = None) -> Result:
     """Wipes the entire overall cycle"""
     logger.info("Wiping the overall cycle, so this cycle no longer blocks other new ones")
@@ -573,10 +587,10 @@ def wipe_subscription(profile_id: int) -> Result:
 
 
 @type_checker
-def save_billing_code(profile_id: int, billing_code: str, expires_at: datetime, which_ticket: Optional[int] = None) -> Result:
+def save_billing_code(profile_id: int, billing_code: str, expires_at: datetime, which_ticket: Optional[int] = None, billing_pending: bool = True) -> Result:
     """Checks if the billing code is already saved, and if not, saves it."""
 
-    logger.info("Saving billing code..")
+    logger.info(f"Saving billing code with the billing_pending as {billing_pending}")
 
     PRE_REQS = [profile_id, billing_code, expires_at]
     if None in PRE_REQS:
@@ -595,7 +609,7 @@ def save_billing_code(profile_id: int, billing_code: str, expires_at: datetime,
         profile.subscription = Subscription(
             billing_code=billing_code,
             expires_at=expires_at,
-            billing_pending=True
+            billing_pending=billing_pending
         )
         if which_ticket:
             profile.ticket = which_ticket