diff --git a/icu4c/source/test/intltest/transrt.cpp b/icu4c/source/test/intltest/transrt.cpp
index cc367a48533..f36df47bab8 100644
--- a/icu4c/source/test/intltest/transrt.cpp
+++ b/icu4c/source/test/intltest/transrt.cpp
@@ -83,7 +83,7 @@ TransliteratorRoundTripTest::runIndexedTest(int32_t index, UBool exec,
 // Time bomb - allows temporary behavior that expires at a given
 //             release
 //--------------------------------------------------------------------
-static const UVersionInfo ICU_35 = {3,5,0,0};
+static const UVersionInfo ICU_36 = {3,6,0,0};
 
 static UBool isICUVersionAtLeast(const UVersionInfo x) {
     UVersionInfo v;
@@ -1143,7 +1143,7 @@ void TransliteratorRoundTripTest::TestHan() {
 
 void TransliteratorRoundTripTest::TestGreek() {
 
-    if (isICUVersionAtLeast(ICU_35)) {
+    if (isICUVersionAtLeast(ICU_36)) {
         // We temporarily filter against Unicode 4.1, but we only do this
         // before version 3.4.
         errln("FAIL: TestGreek needs to be updated to remove delete the [:Age=4.0:] filter ");
@@ -1175,7 +1175,7 @@ void TransliteratorRoundTripTest::TestGreek() {
 
 void TransliteratorRoundTripTest::TestGreekUNGEGN() {
 
-    if (isICUVersionAtLeast(ICU_35)) {
+    if (isICUVersionAtLeast(ICU_36)) {
         // We temporarily filter against Unicode 4.1, but we only do this
         // before version 3.4.
         errln("FAIL: TestGreek needs to be updated to remove delete the [:Age=4.0:] filter ");
@@ -1204,7 +1204,7 @@ void TransliteratorRoundTripTest::TestGreekUNGEGN() {
 
 void TransliteratorRoundTripTest::Testel() {
     
-    if (isICUVersionAtLeast(ICU_35)) {
+    if (isICUVersionAtLeast(ICU_36)) {
         // We temporarily filter against Unicode 4.1, but we only do this
         // before version 3.4.
         errln("FAIL: TestGreek needs to be updated to remove delete the [:Age=4.0:] filter ");
@@ -1272,7 +1272,7 @@ UBool LegalHebrew::is(const UnicodeString& sourceString)const{
     return TRUE;
 }
 void TransliteratorRoundTripTest::TestHebrew() {
-    if (isICUVersionAtLeast(ICU_35)) {
+    if (isICUVersionAtLeast(ICU_36)) {
         // We temporarily filter against Unicode 4.1, but we only do this
         // before version 3.4.
         errln("FAIL: TestHebrew needs to be updated to remove delete the [:Age=4.0:] filter ");
diff --git a/icu4c/source/test/intltest/transtst.cpp b/icu4c/source/test/intltest/transtst.cpp
index c505e67de7b..648337cc3f4 100644
--- a/icu4c/source/test/intltest/transtst.cpp
+++ b/icu4c/source/test/intltest/transtst.cpp
@@ -190,7 +190,7 @@ TransliteratorTest::runIndexedTest(int32_t index, UBool exec,
     }
 }
 
-static const UVersionInfo ICU_31 = {3,1,0,0};
+static const UVersionInfo ICU_36 = {3,6,0,0};
 /**
  * Make sure every system transliterator can be instantiated.
  * 
@@ -225,7 +225,8 @@ void TransliteratorTest::TestInstantiation() {
                   i + ") != getAvailableIDs().snext()");
             continue;
         }
-        if(id2.indexOf("Thai")>-1 && isICUVersionAtLeast(ICU_31)){
+        if(id2.indexOf("Thai")>-1 && !isICUVersionAtLeast(ICU_36)){
+            /* The Thai-Latin transliterator doesn't exist in ICU4C yet */
             continue;
         }
         UParseError parseError;
@@ -3496,7 +3497,8 @@ void TransliteratorTest::TestIncrementalProgress(void) {
                 Transliterator::getAvailableVariant(k, source, target, variant);
                 UnicodeString id = source + "-" + target + "/" + variant;
                 
-                if(id.indexOf("Thai")>-1 && isICUVersionAtLeast(ICU_31)){
+                if(id.indexOf("Thai")>-1 && !isICUVersionAtLeast(ICU_36)){
+                    /* The Thai-Latin transliterator doesn't exist in ICU4C yet */
                     continue;
                 }    
                 Transliterator *t = Transliterator::createInstance(id, UTRANS_FORWARD, err, status);