diff --git a/subjects/foreachprog.en.md b/subjects/foreachprog.en.md
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@@ -1,5 +1,16 @@
 ## foreach
 
+##**WARNING! VERY IMPORTANT!**
+
+For this exercise a function will be tested **with the exam own main**. However the student **still needs** to submit a structured program:
+
+This means that:
+
+- The package needs to be named `package main`.
+- The submitted code needs one declared function main(```func main()```) even if empty.
+- The function main declared needs to **also pass** the `Restrictions Checker`(illegal functions tester). It is advised for the student to just empty the function main after its own testings are done.
+- Every other rules are obviously the same than for a `program`.
+
 ### Instructions
 
 Write a function `ForEach` that, for an `int` array, applies a function on each elements of that array.