diff --git a/legal.md b/LEGAL.md
similarity index 74%
rename from legal.md
rename to LEGAL.md
index 00220937c1d..2b83e59ab9d 100644
--- a/legal.md
+++ b/LEGAL.md
@@ -19,7 +19,10 @@ Note: We may make changes in within files that are licensed under MIT. These mod
 
 ---
 
-Human-readable source code materials in this repository contributed **after** 17 February, 2024 at 23:00:00 UTC are licensed under the GNU Affero General Public License version 3.0, unless otherwise stated. See `LICENSE-AGPLv3.txt`.
+Content contributed to this repository after commit 87c70a89a67d0521a56388e6b1c3f2cb947943e4 may be licensed under the GNU Affero General Public License version 3.0, unless otherwise stated. See `LICENSE-AGPLv3.txt`.
+Note: If a file does not explicitly relicense itself as AGPLv3, it is to be assumed that it is still under MIT.
+
+Content contributed to this repository before commit 87c70a89a67d0521a56388e6b1c3f2cb947943e4 is licensed under the MIT license, unless otherwise stated. See `LICENSE-MIT.txt`.
 
 ## Warranty
 
diff --git a/MARKERS.md b/MARKERS.md
new file mode 100644
index 00000000000..524fba8fba5
--- /dev/null
+++ b/MARKERS.md
@@ -0,0 +1,45 @@
+# A quick summary of how to mark code files in this repository
+
+## CSharp
+
+All C# code contributed after 17 February, 2024 23:00:00 UTC should contain the following header:
+
+```csharp
+/*
+ * Delta-V - This file is licensed under AGPLv3
+ * Copyright (c) [Year] Delta-V Contributors
+ * See AGPLv3.txt for details.
+ */
+```
+
+For any changes within MIT licensed(upstream) files, the following marker should be used at the start of the modification
+
+```csharp
+/* DeltaV - [Title of changes] - [Description of changes]
+This code is licensed under AGPLv3. See LICENSE */
+yourCodeHere();
+// End of modified code
+```
+
+## Yaml
+
+All Yaml files contributed after 17 February, 2024 23:00:00 UTC should contain the following header:
+
+```yaml
+# Delta-V - This file is licensed under AGPLv3
+# Copyright (c) [Year] Delta-V Contributors
+# See AGPLv3.txt for details.
+```
+
+For any changes within MIT licensed(upstream) files, the following marker should be used at the start of the modification
+
+```yaml
+# DeltaV - [Title of changes] - [Description of changes]
+# This code is licensed under AGPLv3. See LICENSE
+modifiedYaml: "Goes Here"
+# End of modified code
+```
+
+## Note
+
+Both Space Wizards and Nyanotrasen code is licensed under MIT, and any changes made to their code should be marked as AGPLv3 with the above markers.