diff --git a/DataONETestIntCA/certs/urn:node:mnSandboxUCSB2.pem b/DataONETestIntCA/certs/urn:node:mnSandboxUCSB2.pem
new file mode 100644
index 0000000..53465e2
--- /dev/null
+++ b/DataONETestIntCA/certs/urn:node:mnSandboxUCSB2.pem
@@ -0,0 +1,30 @@
+-----BEGIN CERTIFICATE-----
+MIIFOzCCAyOgAwIBAgIUO2cXB/JRWbAXyXYwzAAAAAAAAAswDQYJKoZIhvcNAQEL
+BQAwVTETMBEGCgmSJomT8ixkARkWA29yZzEXMBUGCgmSJomT8ixkARkWB2RhdGFv
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+iyb9/gFtV41pZTvJLe/DDPAfjMTKnlafN7CJk5Acr9tKZDWAMJckaBpLSITBTAj+
+++99rcoU2Opg8moZdXWgmwJeRuMTgVkhTsbhCN/K74OssEjAG1Q5tYWzG4EdY73E
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+AmMLpHAfr2I59j1BL3tIq4AdF4AAvkvtIQrjiZ22mQFNMrJd/BN/ik3fLWc+o6I=
+-----END CERTIFICATE-----
diff --git a/DataONETestIntCA/index.txt b/DataONETestIntCA/index.txt
index 75a901a..229962c 100644
--- a/DataONETestIntCA/index.txt
+++ b/DataONETestIntCA/index.txt
@@ -8,3 +8,4 @@ V	270430153435Z		3B671707F25159B017C97630CC00000000000007	unknown	/DC=org/DC=dat
 V	270430154017Z		3B671707F25159B017C97630CC00000000000008	unknown	/DC=org/DC=dataone/CN=urn:node:mnTestEDI
 V	270709214433Z		3B671707F25159B017C97630CC00000000000009	unknown	/DC=org/DC=dataone/CN=urn:node:mnStageUCSB2
 V	271010181044Z		3B671707F25159B017C97630CC0000000000000A	unknown	/DC=org/DC=dataone/CN=urn:node:mnSandboxUCSB1
+V	271010181917Z		3B671707F25159B017C97630CC0000000000000B	unknown	/DC=org/DC=dataone/CN=urn:node:mnSandboxUCSB2
diff --git a/DataONETestIntCA/index.txt.old b/DataONETestIntCA/index.txt.old
index 7231517..75a901a 100644
--- a/DataONETestIntCA/index.txt.old
+++ b/DataONETestIntCA/index.txt.old
@@ -7,3 +7,4 @@ V	270404160019Z		3B671707F25159B017C97630CC00000000000006	unknown	/DC=org/DC=dat
 V	270430153435Z		3B671707F25159B017C97630CC00000000000007	unknown	/DC=org/DC=dataone/CN=urn:node:mnTestLTER
 V	270430154017Z		3B671707F25159B017C97630CC00000000000008	unknown	/DC=org/DC=dataone/CN=urn:node:mnTestEDI
 V	270709214433Z		3B671707F25159B017C97630CC00000000000009	unknown	/DC=org/DC=dataone/CN=urn:node:mnStageUCSB2
+V	271010181044Z		3B671707F25159B017C97630CC0000000000000A	unknown	/DC=org/DC=dataone/CN=urn:node:mnSandboxUCSB1
diff --git a/DataONETestIntCA/newcerts/3B671707F25159B017C97630CC0000000000000B.pem b/DataONETestIntCA/newcerts/3B671707F25159B017C97630CC0000000000000B.pem
new file mode 100644
index 0000000..53465e2
--- /dev/null
+++ b/DataONETestIntCA/newcerts/3B671707F25159B017C97630CC0000000000000B.pem
@@ -0,0 +1,30 @@
+-----BEGIN CERTIFICATE-----
+MIIFOzCCAyOgAwIBAgIUO2cXB/JRWbAXyXYwzAAAAAAAAAswDQYJKoZIhvcNAQEL
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+++99rcoU2Opg8moZdXWgmwJeRuMTgVkhTsbhCN/K74OssEjAG1Q5tYWzG4EdY73E
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+-----END CERTIFICATE-----
diff --git a/DataONETestIntCA/req/urn:node:mnSandboxUCSB2.csr b/DataONETestIntCA/req/urn:node:mnSandboxUCSB2.csr
new file mode 100644
index 0000000..140c90f
--- /dev/null
+++ b/DataONETestIntCA/req/urn:node:mnSandboxUCSB2.csr
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----
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+-----END CERTIFICATE REQUEST-----
diff --git a/DataONETestIntCA/serial b/DataONETestIntCA/serial
index e80e8cb..bd00fac 100644
--- a/DataONETestIntCA/serial
+++ b/DataONETestIntCA/serial
@@ -1 +1 @@
-3B671707F25159B017C97630CC0000000000000B
+3B671707F25159B017C97630CC0000000000000C
diff --git a/DataONETestIntCA/serial.old b/DataONETestIntCA/serial.old
index f93549b..e80e8cb 100644
--- a/DataONETestIntCA/serial.old
+++ b/DataONETestIntCA/serial.old
@@ -1 +1 @@
-3B671707F25159B017C97630CC0000000000000A
+3B671707F25159B017C97630CC0000000000000B