diff --git a/src/Dto/ProjectDeadline.php b/src/Dto/ProjectDeadline.php
new file mode 100644
index 0000000..ccc9c05
--- /dev/null
+++ b/src/Dto/ProjectDeadline.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Dto;
+
+enum ProjectDeadline: string
+{
+    /**
+     * A single deadline means the Project will only remain in campaing
+     * for the minimum budget deadline.
+     */
+    case Minimum = 'minimum';
+
+    /**
+     * A double deadline means the Project can remain in campaing
+     * past the minimum budget deadline until the optimum budget deadline,
+     * if it did raise the minimum in the first deadline.
+     */
+    case Optimum = 'optimum';
+}
diff --git a/src/Dto/ProjectEditDto.php b/src/Dto/ProjectEditDto.php
index 2862956..c817114 100644
--- a/src/Dto/ProjectEditDto.php
+++ b/src/Dto/ProjectEditDto.php
@@ -52,6 +52,13 @@ class ProjectEditDto
     #[Assert\NotBlank()]
     public string $description;
 
+    /**
+     * Every campaign must raise the minimum before the minimum deadline.\
+     * Optionally, a Project can choose to remain in campaign for a second deadline
+     * if it did reach the minimum in the first place.
+     */
+    public ProjectDeadline $deadlines = ProjectDeadline::Minimum;
+
     /**
      * A URL to a video showcasing the Project.
      */