diff --git a/eslint-plugin/.eslintrc.js b/eslint-plugin/.eslintrc.js
index a258335..178b0f7 100644
--- a/eslint-plugin/.eslintrc.js
+++ b/eslint-plugin/.eslintrc.js
@@ -1,3 +1,21 @@
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 "use strict";
 
 module.exports = {
@@ -8,6 +26,7 @@ module.exports = {
     "plugin:node/recommended",
     "plugin:prettier/recommended",
   ],
+  plugins: ["license-header"],
   env: {
     node: true,
   },
@@ -19,5 +38,6 @@ module.exports = {
   ],
   rules: {
     "node/no-unpublished-require": "off",
+    "license-header/header": ["error", "./docs/license-header.txt"],
   },
 };
diff --git a/eslint-plugin/docs/license-header.txt b/eslint-plugin/docs/license-header.txt
new file mode 100644
index 0000000..213fdaa
--- /dev/null
+++ b/eslint-plugin/docs/license-header.txt
@@ -0,0 +1,17 @@
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
diff --git a/eslint-plugin/lib/rule-list.js b/eslint-plugin/lib/rule-list.js
index fae2a34..9f8cce8 100644
--- a/eslint-plugin/lib/rule-list.js
+++ b/eslint-plugin/lib/rule-list.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 const fs = require("fs");
diff --git a/eslint-plugin/lib/rules/avoid-high-accuracy-geolocation.js b/eslint-plugin/lib/rules/avoid-high-accuracy-geolocation.js
index 35f0e19..8b3f49c 100644
--- a/eslint-plugin/lib/rules/avoid-high-accuracy-geolocation.js
+++ b/eslint-plugin/lib/rules/avoid-high-accuracy-geolocation.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 /** @type {import("eslint").Rule.RuleModule} */
diff --git a/eslint-plugin/lib/rules/no-import-all-from-library.js b/eslint-plugin/lib/rules/no-import-all-from-library.js
index e96bab7..cc0e1b0 100644
--- a/eslint-plugin/lib/rules/no-import-all-from-library.js
+++ b/eslint-plugin/lib/rules/no-import-all-from-library.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 /** @type {import("eslint").Rule.RuleModule} */
diff --git a/eslint-plugin/lib/rules/no-multiple-access-dom-element.js b/eslint-plugin/lib/rules/no-multiple-access-dom-element.js
index 38a8519..186f1a2 100644
--- a/eslint-plugin/lib/rules/no-multiple-access-dom-element.js
+++ b/eslint-plugin/lib/rules/no-multiple-access-dom-element.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 /** @type {import("eslint").Rule.RuleModule} */
diff --git a/eslint-plugin/lib/rules/no-multiple-style-changes.js b/eslint-plugin/lib/rules/no-multiple-style-changes.js
index b4bd4ef..7cfb011 100644
--- a/eslint-plugin/lib/rules/no-multiple-style-changes.js
+++ b/eslint-plugin/lib/rules/no-multiple-style-changes.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 /** @type {import("eslint").Rule.RuleModule} */
diff --git a/eslint-plugin/lib/rules/prefer-collections-with-pagination.js b/eslint-plugin/lib/rules/prefer-collections-with-pagination.js
index 0ffe9e9..5fe8c26 100644
--- a/eslint-plugin/lib/rules/prefer-collections-with-pagination.js
+++ b/eslint-plugin/lib/rules/prefer-collections-with-pagination.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 const PAGINATION_KEY_WORDS = ["page", "pagination", "paginated"];
diff --git a/eslint-plugin/lib/sonar.js b/eslint-plugin/lib/sonar.js
index d6eed7f..fc236c2 100644
--- a/eslint-plugin/lib/sonar.js
+++ b/eslint-plugin/lib/sonar.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,7 +13,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**
diff --git a/eslint-plugin/lib/standalone.js b/eslint-plugin/lib/standalone.js
index 04ed6a3..8d23003 100644
--- a/eslint-plugin/lib/standalone.js
+++ b/eslint-plugin/lib/standalone.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,7 +13,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**
diff --git a/eslint-plugin/package.json b/eslint-plugin/package.json
index d0a2e2b..d08ebc7 100644
--- a/eslint-plugin/package.json
+++ b/eslint-plugin/package.json
@@ -37,6 +37,7 @@
     "eslint-config-prettier": "^8.8.0",
     "eslint-doc-generator": "^1.4.3",
     "eslint-plugin-eslint-plugin": "^5.1.1",
+    "eslint-plugin-license-header": "^0.6.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.0.0",
     "mkdirp": "^3.0.1",
diff --git a/eslint-plugin/tests/lib/rule-list.test.js b/eslint-plugin/tests/lib/rule-list.test.js
index 6e9683d..78aa817 100644
--- a/eslint-plugin/tests/lib/rule-list.test.js
+++ b/eslint-plugin/tests/lib/rule-list.test.js
@@ -1,3 +1,21 @@
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 const assert = require("assert");
 
 describe("rule-list.js", () => {
diff --git a/eslint-plugin/tests/lib/rules/avoid-high-accuracy-geolocation.js b/eslint-plugin/tests/lib/rules/avoid-high-accuracy-geolocation.js
index f3496ac..09e0077 100644
--- a/eslint-plugin/tests/lib/rules/avoid-high-accuracy-geolocation.js
+++ b/eslint-plugin/tests/lib/rules/avoid-high-accuracy-geolocation.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 //------------------------------------------------------------------------------
diff --git a/eslint-plugin/tests/lib/rules/no-import-all-from-library.js b/eslint-plugin/tests/lib/rules/no-import-all-from-library.js
index 2128555..a1a8772 100644
--- a/eslint-plugin/tests/lib/rules/no-import-all-from-library.js
+++ b/eslint-plugin/tests/lib/rules/no-import-all-from-library.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 //------------------------------------------------------------------------------
diff --git a/eslint-plugin/tests/lib/rules/no-multiple-access-dom-element.js b/eslint-plugin/tests/lib/rules/no-multiple-access-dom-element.js
index 1f65ed6..25fde29 100644
--- a/eslint-plugin/tests/lib/rules/no-multiple-access-dom-element.js
+++ b/eslint-plugin/tests/lib/rules/no-multiple-access-dom-element.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 //------------------------------------------------------------------------------
diff --git a/eslint-plugin/tests/lib/rules/no-multiple-style-changes.js b/eslint-plugin/tests/lib/rules/no-multiple-style-changes.js
index 77d4a80..085828e 100644
--- a/eslint-plugin/tests/lib/rules/no-multiple-style-changes.js
+++ b/eslint-plugin/tests/lib/rules/no-multiple-style-changes.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 //------------------------------------------------------------------------------
diff --git a/eslint-plugin/tests/lib/rules/prefer-collections-with-pagination.js b/eslint-plugin/tests/lib/rules/prefer-collections-with-pagination.js
index 996beee..ca247e3 100644
--- a/eslint-plugin/tests/lib/rules/prefer-collections-with-pagination.js
+++ b/eslint-plugin/tests/lib/rules/prefer-collections-with-pagination.js
@@ -1,5 +1,6 @@
-/**
- * Copyright (C) 2023 Green Code Initiative
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -12,8 +13,9 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
 "use strict";
 
 //------------------------------------------------------------------------------
diff --git a/eslint-plugin/tests/lib/sonar.test.js b/eslint-plugin/tests/lib/sonar.test.js
index fc4f967..d0843e5 100644
--- a/eslint-plugin/tests/lib/sonar.test.js
+++ b/eslint-plugin/tests/lib/sonar.test.js
@@ -1,3 +1,21 @@
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 const assert = require("assert");
 
 describe("sonar.js", () => {
diff --git a/eslint-plugin/tests/lib/standalone.test.js b/eslint-plugin/tests/lib/standalone.test.js
index 24b7afc..88658e2 100644
--- a/eslint-plugin/tests/lib/standalone.test.js
+++ b/eslint-plugin/tests/lib/standalone.test.js
@@ -1,3 +1,21 @@
+/*
+ * ecoCode JavaScript plugin - Provides rules to reduce the environmental footprint of your JavaScript programs
+ * Copyright © 2023 Green Code Initiative (https://www.ecocode.io)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 const assert = require("assert");
 
 describe("standalone.js", () => {
diff --git a/eslint-plugin/yarn.lock b/eslint-plugin/yarn.lock
index 1bface3..ae0ce84 100644
--- a/eslint-plugin/yarn.lock
+++ b/eslint-plugin/yarn.lock
@@ -258,6 +258,7 @@ __metadata:
     eslint-config-prettier: ^8.8.0
     eslint-doc-generator: ^1.4.3
     eslint-plugin-eslint-plugin: ^5.1.1
+    eslint-plugin-license-header: ^0.6.0
     eslint-plugin-node: ^11.1.0
     eslint-plugin-prettier: ^5.0.0
     mkdirp: ^3.0.1
@@ -1578,6 +1579,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"eslint-plugin-license-header@npm:^0.6.0":
+  version: 0.6.0
+  resolution: "eslint-plugin-license-header@npm:0.6.0"
+  dependencies:
+    requireindex: ^1.2.0
+  checksum: 7508fcedc4059189922e4d8c1e9c416305a8901c6b5f5f1121f107c3b87e216a877d9e268d35268e0cff129d09837619380866984213b7891c824d13555e3406
+  languageName: node
+  linkType: hard
+
 "eslint-plugin-node@npm:^11.1.0":
   version: 11.1.0
   resolution: "eslint-plugin-node@npm:11.1.0"
@@ -3966,6 +3976,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"requireindex@npm:^1.2.0":
+  version: 1.2.0
+  resolution: "requireindex@npm:1.2.0"
+  checksum: 50d8b10a1ff1fdf6aea7a1870bc7bd238b0fb1917d8d7ca17fd03afc38a65dcd7a8a4eddd031f89128b5f0065833d5c92c4fef67f2c04e8624057fe626c9cf94
+  languageName: node
+  linkType: hard
+
 "resolve-from@npm:^4.0.0":
   version: 4.0.0
   resolution: "resolve-from@npm:4.0.0"