diff --git a/.env.example b/.env.example
index 6962ce7..e4459c4 100644
--- a/.env.example
+++ b/.env.example
@@ -53,6 +53,8 @@ YOOKASSA_AUTOPAYMENTS_REQUIRE_CARD_BINDING=True                               #
 # Nalogo (self-employed receipts)
 NALOGO_INN=your_inn                                                           # INN for nalog.ru
 NALOGO_PASSWORD=your_nalogo_password                                          # Password for nalog.ru
+NALOGO_RECEIPT_NAME_SUBSCRIPTION=subscription {months} months                 # Receipt name for time-based subscriptions ({months} = duration)
+NALOGO_RECEIPT_NAME_TRAFFIC=traffic package {gb} GB                           # Receipt name for traffic packages ({gb} = traffic amount)
 
 # FreeKassa Payment Gateway Configuration
 FREEKASSA_MERCHANT_ID=your_shop_id                                            # Your shop ID in FreeKassa
diff --git a/bot/handlers/user/payment.py b/bot/handlers/user/payment.py
index 05fc6de..89ff564 100644
--- a/bot/handlers/user/payment.py
+++ b/bot/handlers/user/payment.py
@@ -282,9 +282,9 @@ async def process_successful_payment(session: AsyncSession, bot: Bot,
             receipt_item_name = payment_info_from_webhook.get("description")
             if not receipt_item_name:
                 if sale_mode == "traffic":
-                    receipt_item_name = f"Remnawave traffic package {traffic_label} GB"
+                    receipt_item_name = settings.NALOGO_RECEIPT_NAME_TRAFFIC.format(gb=traffic_label)
                 else:
-                    receipt_item_name = f"Remnawave subscription {int(subscription_months)} months"
+                    receipt_item_name = settings.NALOGO_RECEIPT_NAME_SUBSCRIPTION.format(months=int(subscription_months))
             try:
                 await nalogo_service.create_income_receipt(
                     item_name=receipt_item_name,
diff --git a/bot/services/nalogo_service.py b/bot/services/nalogo_service.py
index 9f7c116..c9438eb 100644
--- a/bot/services/nalogo_service.py
+++ b/bot/services/nalogo_service.py
@@ -61,10 +61,12 @@ class NalogoService:
             return None
 
         try:
+            # API expects quantity as integer when it's a whole number
+            qty = int(quantity) if float(quantity).is_integer() else Decimal(str(quantity))
             service_item = IncomeServiceItem(
                 name=item_name,
                 amount=Decimal(str(amount)),
-                quantity=Decimal(str(quantity)),
+                quantity=qty,
             )
             total_amount = service_item.get_total_amount()
             request = IncomeRequest(
diff --git a/config/settings.py b/config/settings.py
index 12fa831..2d70618 100644
--- a/config/settings.py
+++ b/config/settings.py
@@ -54,6 +54,14 @@ class Settings(BaseSettings):
         default=None,
         description="Password for nalog.ru (self-employed) authentication"
     )
+    NALOGO_RECEIPT_NAME_SUBSCRIPTION: str = Field(
+        default="subscription {months} months",
+        description="Receipt item name for time-based subscriptions. Use {months} placeholder for duration."
+    )
+    NALOGO_RECEIPT_NAME_TRAFFIC: str = Field(
+        default="traffic package {gb} GB",
+        description="Receipt item name for traffic packages. Use {gb} placeholder for traffic amount."
+    )
 
     WEBHOOK_BASE_URL: Optional[str] = None