diff --git a/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/domain/Invoice.java b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/domain/Invoice.java
new file mode 100644
index 0000000..e32f5fe
--- /dev/null
+++ b/personal/arsenicum/invoicer/src/main/java/pl/hackerspace/domain/Invoice.java
@@ -0,0 +1,41 @@
+package pl.hackerspace.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "invoice")
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class Invoice {
+
+    @Id
+    private long id;
+
+    @Column(nullable = false)
+    private String invoiceTitle;
+
+    private String monthOfSubscription;
+
+    @Column(nullable = false)
+    private LocalDateTime creationDate;
+
+    @Column(columnDefinition = "VARBINARY(50000)", nullable = false)
+    private byte[] pdfContent;
+
+    @ManyToOne
+    @JoinColumn(nullable = false)
+    private Client client;
+}