diff --git a/src/model/Inventory.ts b/src/model/Inventory.ts
new file mode 100644
index 0000000..73ce33e
--- /dev/null
+++ b/src/model/Inventory.ts
@@ -0,0 +1,8 @@
+import type { DocumentWithPositions, DocumentWithPositionsPatch } from '.'
+
+// export type InventoryFields = {}
+
+export type Inventory = DocumentWithPositions<'inventory'> // & InventoryFields
+
+export type InventoryPatch = DocumentWithPositionsPatch<'inventory'>
+// & PartialNullable<Pick<InvoiceFields, 'paymentPlannedMoment'>>
diff --git a/src/model/InventoryPosition.ts b/src/model/InventoryPosition.ts
new file mode 100644
index 0000000..f405213
--- /dev/null
+++ b/src/model/InventoryPosition.ts
@@ -0,0 +1,20 @@
+import type { PartialNullable } from '../tools'
+import type { Position, PositionPatch } from './Position'
+
+export type InventoryPositionFields = {
+  correctionAmount: number
+  calculatedQuantity: number
+  correctionSum: number
+}
+
+export type InventoryPosition = Position<'inventoryposition'> &
+  InventoryPositionFields
+
+export type InventoryPositionPatch = PositionPatch<'invoiceposition'> &
+  PartialNullable<
+    Pick<
+      InventoryPositionFields,
+      // TODO InventoryPosition: А все поля изменяемые?
+      'correctionAmount' | 'calculatedQuantity' | 'correctionSum'
+    >
+  >
diff --git a/src/model/MetaType.ts b/src/model/MetaType.ts
index 576e9fd..c250f2f 100644
--- a/src/model/MetaType.ts
+++ b/src/model/MetaType.ts
@@ -33,7 +33,9 @@ import type {
   State,
   SalesReturn,
   RetailSalesReturn,
-  SalesReturnPosition
+  SalesReturnPosition,
+  Inventory,
+  InventoryPosition
 } from '.'
 
 export type MetaType =
@@ -169,8 +171,8 @@ export type EntityByMetaType = {
   image: Image
   internalorder: Entity<'internalorder'>
   internalorderposition: Position<'internalorderposition'>
-  inventory: Entity<'inventory'>
-  inventoryposition: Position<'inventoryposition'>
+  inventory: Inventory
+  inventoryposition: InventoryPosition
   invoicein: InvoiceIn
   invoiceout: InvoiceOut
   invoiceposition: InvoicePosition
diff --git a/src/model/index.ts b/src/model/index.ts
index 4f4116d..7bd4985 100644
--- a/src/model/index.ts
+++ b/src/model/index.ts
@@ -48,6 +48,8 @@ export * from './Invoice'
 export * from './InvoiceIn'
 export * from './InvoiceOut'
 export * from './InvoicePosition'
+export * from './Inventory'
+export * from './InventoryPosition'
 export * from './Legal'
 export * from './MediaType'
 export * from './Meta'
diff --git a/src/model/utils/Patch.ts b/src/model/utils/Patch.ts
index 2749f3b..d6f35c0 100644
--- a/src/model/utils/Patch.ts
+++ b/src/model/utils/Patch.ts
@@ -9,6 +9,8 @@ import type {
   DemandPatch,
   DemandPosition,
   EntityPatchRef,
+  InventoryPatch,
+  InventoryPositionPatch,
   InvoiceInPatch,
   InvoiceOutPatch,
   InvoicePositionPatch,
@@ -32,6 +34,8 @@ export type PatchByMetaType = {
   invoicein: InvoiceInPatch
   invoiceout: InvoiceOutPatch
   invoiceposition: InvoicePositionPatch
+  inventory: InventoryPatch
+  inventoryposition: InventoryPositionPatch
   product: ProductPatch
   productfolder: ProductFolderPatch
   retaildemand: RetailDemand