diff --git a/web/index.html b/web/index.html
index fd7a3a1..8de5a01 100644
--- a/web/index.html
+++ b/web/index.html
@@ -12,7 +12,7 @@
 				'arrival': 'I have read and will adhere to the <a href="/guidelines" target="_blank">protection guidelines</a>',
 				'departure': 'I have cleaned my workspace'
 			}
-			var testCheckBox = '<label class="checkbox"><input type="checkbox" name="tested" id="tested"><span>I have been tested negative for COVID in the last 24 hours</span></label>'
+			var testCheckBox = '<label class="checkbox"><input type="checkbox" name="tested" id="tested"><span>I fullfill one of the <a href="https://www.bundesregierung.de/breg-de/aktuelles/bund-laender-beratung-corona-1949606">3G requirements</a></span></label>'
 			var editTimeBox = '<label>Departure Date/Time:<input type="datetime-local" name="datetime" id="datetime" required></label>'
 			function getParams() {
 				var qparams = document.location.search.substr(1)
diff --git a/web/main.js b/web/main.js
index d97172f..c04f35d 100644
--- a/web/main.js
+++ b/web/main.js
@@ -43,7 +43,7 @@ function sendMainData() {
 			'name': name,
 			'arrival': datetime,
 			'agreetoguidelines': agreed,
-			'tested': tested
+			'tested': tested // = 3G
 		} :
 		{
 			'name': name,
@@ -104,7 +104,7 @@ function handleRequestSubmit(e, json) {
 	var iso = new Date(input).toISOString()
 
 	if (e.srcElement.length > 1)
-		tested = e.srcElement[1].checked
+		tested = e.srcElement[1].checked // = 3G
 
 	// POST JSON. See docs/API.md
 	var payload = (json.request == 'arrival') ?
@@ -113,7 +113,7 @@ function handleRequestSubmit(e, json) {
 			'name': name,
 			'arrival': iso,
 			'agreetoguidelines': agreed,
-			'tested': tested
+			'tested': tested // = 3G
 		} :
 		{
 			'name': name,
diff --git a/web/view.css b/web/view.css
index 2b3ad5f..b45b372 100644
--- a/web/view.css
+++ b/web/view.css
@@ -70,7 +70,7 @@ main > section.times, #timeheader {
 .times span.implausible {
 	background: linear-gradient(to right, #c50e1f, rgba(197,14,31,0.2) 1000px);
 }
-.times span.implausible.tested {
+.times span.implausible.tested {  /* = 3G */
 	background: linear-gradient(to right, rgb(0,136,0), rgba(0,136,0,0.2) 1000px);
 }
 .viewheader.row {
diff --git a/web/view.js b/web/view.js
index 3b18429..f9811b7 100644
--- a/web/view.js
+++ b/web/view.js
@@ -163,7 +163,7 @@ function renderData() {
 			block.style.left  = arr + 'px' // 1px/min
 			block.style.width = Math.max(0,(dur-14)) + 'px' // 1px/min
 			if (entry.tested)
-				block.classList.add('tested')
+				block.classList.add('tested') // = 3G
 
 			if (dur > 60 * 24)
 				block.classList.add('implausible')