diff --git a/src/Entity/Parts/Category.php b/src/Entity/Parts/Category.php
index 21111065..8bcf32d2 100644
--- a/src/Entity/Parts/Category.php
+++ b/src/Entity/Parts/Category.php
@@ -57,56 +57,56 @@ class Category extends AbstractPartsContainingDBElement
     /**
      * @var string
      * @ORM\Column(type="text")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected string $partname_hint = '';
 
     /**
      * @var string
      * @ORM\Column(type="text")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected string $partname_regex = '';
 
     /**
      * @var bool
      * @ORM\Column(type="boolean")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected bool $disable_footprints = false;
 
     /**
      * @var bool
      * @ORM\Column(type="boolean")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected bool $disable_manufacturers = false;
 
     /**
      * @var bool
      * @ORM\Column(type="boolean")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected bool $disable_autodatasheets = false;
 
     /**
      * @var bool
      * @ORM\Column(type="boolean")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected bool $disable_properties = false;
 
     /**
      * @var string
      * @ORM\Column(type="text")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected string $default_description = '';
 
     /**
      * @var string
      * @ORM\Column(type="text")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected string $default_comment = '';
     /**
diff --git a/src/Entity/Parts/MeasurementUnit.php b/src/Entity/Parts/MeasurementUnit.php
index 1bbff9bf..5ff9cef4 100644
--- a/src/Entity/Parts/MeasurementUnit.php
+++ b/src/Entity/Parts/MeasurementUnit.php
@@ -49,7 +49,7 @@ class MeasurementUnit extends AbstractPartsContainingDBElement
      *             or m (for meters).
      * @ORM\Column(type="string", name="unit", nullable=true)
      * @Assert\Length(max=10)
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected ?string $unit = null;
 
@@ -57,7 +57,7 @@ class MeasurementUnit extends AbstractPartsContainingDBElement
      * @var bool Determines if the amount value associated with this unit should be treated as integer.
      *           Set to false, to measure continuous sizes likes masses or lengths.
      * @ORM\Column(type="boolean", name="is_integer")
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected bool $is_integer = false;
 
@@ -66,7 +66,7 @@ class MeasurementUnit extends AbstractPartsContainingDBElement
      *           Useful for sizes like meters. For this the unit must be set
      * @ORM\Column(type="boolean", name="use_si_prefix")
      * @Assert\Expression("this.isUseSIPrefix() == false or this.getUnit() != null", message="validator.measurement_unit.use_si_prefix_needs_unit")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected bool $use_si_prefix = false;
 
diff --git a/src/Entity/Parts/PartLot.php b/src/Entity/Parts/PartLot.php
index 9d007f92..40db1fc2 100644
--- a/src/Entity/Parts/PartLot.php
+++ b/src/Entity/Parts/PartLot.php
@@ -53,14 +53,14 @@ class PartLot extends AbstractDBElement implements TimeStampableInterface, Named
     /**
      * @var string A short description about this lot, shown in table
      * @ORM\Column(type="text")
-     * @Groups({"simple", "extended", "full"})
+     * @Groups({"simple", "extended", "full", "import"})
      */
     protected string $description = '';
 
     /**
      * @var string a comment stored with this lot
      * @ORM\Column(type="text")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected string $comment = '';
 
@@ -68,7 +68,7 @@ class PartLot extends AbstractDBElement implements TimeStampableInterface, Named
      * @var ?DateTime Set a time until when the lot must be used.
      *                Set to null, if the lot can be used indefinitely.
      * @ORM\Column(type="datetime", name="expiration_date", nullable=true)
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected ?DateTime $expiration_date = null;
 
@@ -77,14 +77,14 @@ class PartLot extends AbstractDBElement implements TimeStampableInterface, Named
      * @ORM\ManyToOne(targetEntity="Storelocation")
      * @ORM\JoinColumn(name="id_store_location", referencedColumnName="id", nullable=true)
      * @Selectable()
-     * @Groups({"simple", "extended", "full"})
+     * @Groups({"simple", "extended", "full", "import"})
      */
     protected ?Storelocation $storage_location = null;
 
     /**
      * @var bool If this is set to true, the instock amount is marked as not known
      * @ORM\Column(type="boolean")
-     * @Groups({"simple", "extended", "full"})
+     * @Groups({"simple", "extended", "full", "import"})
      */
     protected bool $instock_unknown = false;
 
@@ -92,14 +92,14 @@ class PartLot extends AbstractDBElement implements TimeStampableInterface, Named
      * @var float For continuous sizes (length, volume, etc.) the instock is saved here.
      * @ORM\Column(type="float")
      * @Assert\PositiveOrZero()
-     * @Groups({"simple", "extended", "full"})
+     * @Groups({"simple", "extended", "full", "import"})
      */
     protected float $amount = 0.0;
 
     /**
      * @var bool determines if this lot was manually marked for refilling
      * @ORM\Column(type="boolean")
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected bool $needs_refill = false;
 
diff --git a/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php b/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php
index 3b658b93..482004b0 100644
--- a/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php
+++ b/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php
@@ -58,7 +58,7 @@ trait AdvancedPropertyTrait
      * @var string The internal part number of the part
      * @ORM\Column(type="string", length=100, nullable=true, unique=true)
      * @Assert\Length(max="100")
-     * @Groups({"extended", "full", "ipn"})
+     * @Groups({"extended", "full", "import"})
      */
     protected ?string $ipn = null;
 
diff --git a/src/Entity/Parts/Storelocation.php b/src/Entity/Parts/Storelocation.php
index e14b3ef0..52f84f2d 100644
--- a/src/Entity/Parts/Storelocation.php
+++ b/src/Entity/Parts/Storelocation.php
@@ -71,22 +71,24 @@ class Storelocation extends AbstractPartsContainingDBElement
     /**
      * @var bool
      * @ORM\Column(type="boolean")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected bool $is_full = false;
 
     /**
      * @var bool
      * @ORM\Column(type="boolean")
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected bool $only_single_part = false;
 
     /**
      * @var bool
      * @ORM\Column(type="boolean")
+     * @Groups({"full", "import"})
      */
     protected bool $limit_to_existing_parts = false;
+
     /**
      * @var Collection<int, StorelocationAttachment>
      * @ORM\OneToMany(targetEntity="App\Entity\Attachments\StorelocationAttachment", mappedBy="element", cascade={"persist", "remove"}, orphanRemoval=true)
diff --git a/src/Entity/Parts/Supplier.php b/src/Entity/Parts/Supplier.php
index 8183cf91..ae1e4ca1 100644
--- a/src/Entity/Parts/Supplier.php
+++ b/src/Entity/Parts/Supplier.php
@@ -31,6 +31,7 @@ use App\Validator\Constraints\Selectable;
 use Brick\Math\BigDecimal;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Serializer\Annotation\Groups;
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**
@@ -74,6 +75,7 @@ class Supplier extends AbstractCompany
     /**
      * @var BigDecimal|null the shipping costs that have to be paid, when ordering via this supplier
      * @ORM\Column(name="shipping_costs", nullable=true, type="big_decimal", precision=11, scale=5)
+     * @Groups({"extended", "full", "import"})
      * @BigDecimalPositiveOrZero()
      */
     protected ?BigDecimal $shipping_costs = null;
diff --git a/src/Entity/PriceInformations/Currency.php b/src/Entity/PriceInformations/Currency.php
index c86cb3e9..f2c44504 100644
--- a/src/Entity/PriceInformations/Currency.php
+++ b/src/Entity/PriceInformations/Currency.php
@@ -61,7 +61,7 @@ class Currency extends AbstractStructuralDBElement
      * @var string the 3-letter ISO code of the currency
      * @ORM\Column(type="string")
      * @Assert\Currency()
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected string $iso_code = "";
 
diff --git a/src/Entity/PriceInformations/Orderdetail.php b/src/Entity/PriceInformations/Orderdetail.php
index f0fabc05..2d84c70c 100644
--- a/src/Entity/PriceInformations/Orderdetail.php
+++ b/src/Entity/PriceInformations/Orderdetail.php
@@ -55,20 +55,21 @@ class Orderdetail extends AbstractDBElement implements TimeStampableInterface, N
      * @ORM\OneToMany(targetEntity="Pricedetail", mappedBy="orderdetail", cascade={"persist", "remove"}, orphanRemoval=true)
      * @Assert\Valid()
      * @ORM\OrderBy({"min_discount_quantity" = "ASC"})
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected $pricedetails;
 
     /**
      * @var string
      * @ORM\Column(type="string")
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected string $supplierpartnr = '';
 
     /**
      * @var bool
      * @ORM\Column(type="boolean")
+     * @Groups({"extended", "full", "import"})
      */
     protected bool $obsolete = false;
 
@@ -76,7 +77,7 @@ class Orderdetail extends AbstractDBElement implements TimeStampableInterface, N
      * @var string
      * @ORM\Column(type="string")
      * @Assert\Url()
-     * @Groups({"full"})
+     * @Groups({"full", "import"})
      */
     protected string $supplier_product_url = '';
 
@@ -93,7 +94,7 @@ class Orderdetail extends AbstractDBElement implements TimeStampableInterface, N
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\Supplier", inversedBy="orderdetails")
      * @ORM\JoinColumn(name="id_supplier", referencedColumnName="id")
      * @Assert\NotNull(message="validator.orderdetail.supplier_must_not_be_null")
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected ?Supplier $supplier = null;
 
diff --git a/src/Entity/PriceInformations/Pricedetail.php b/src/Entity/PriceInformations/Pricedetail.php
index 07ef01cd..b1ac5155 100644
--- a/src/Entity/PriceInformations/Pricedetail.php
+++ b/src/Entity/PriceInformations/Pricedetail.php
@@ -66,7 +66,7 @@ class Pricedetail extends AbstractDBElement implements TimeStampableInterface
      * @ORM\ManyToOne(targetEntity="Currency", inversedBy="pricedetails")
      * @ORM\JoinColumn(name="id_currency", referencedColumnName="id", nullable=true)
      * @Selectable()
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected ?Currency $currency = null;
 
@@ -74,7 +74,7 @@ class Pricedetail extends AbstractDBElement implements TimeStampableInterface
      * @var float
      * @ORM\Column(type="float")
      * @Assert\Positive()
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected float $price_related_quantity = 1.0;
 
@@ -82,7 +82,7 @@ class Pricedetail extends AbstractDBElement implements TimeStampableInterface
      * @var float
      * @ORM\Column(type="float")
      * @Assert\Positive()
-     * @Groups({"extended", "full"})
+     * @Groups({"extended", "full", "import"})
      */
     protected float $min_discount_quantity = 1.0;
 
diff --git a/src/Serializer/PartNormalizer.php b/src/Serializer/PartNormalizer.php
index 1be29c9e..1d0725e4 100644
--- a/src/Serializer/PartNormalizer.php
+++ b/src/Serializer/PartNormalizer.php
@@ -34,6 +34,7 @@ class PartNormalizer implements NormalizerInterface, DenormalizerInterface, Cach
         'notes' => 'comment',
         'quantity' => 'instock',
         'amount' => 'instock',
+        'mpn' => 'manufacturer_product_number',
     ];
 
     private ObjectNormalizer $normalizer;