Handle some strict and loose rules after cleanup.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/sec_certs/sample/cc_certificate_id.py b/src/sec_certs/sample/cc_certificate_id.py
index 1fb7b046..c2b6daa2 100644
--- a/src/sec_certs/sample/cc_certificate_id.py
+++ b/src/sec_certs/sample/cc_certificate_id.py
@@ -52,17 +52,18 @@ def DE(meta) -> str:
 
 
 def US(meta) -> str:
-    year = _parse_year(meta["year"])
     counter = meta["counter"]
     cc = meta.get("cc")
     vid = meta.get("VID")
+    year = _parse_year(meta.get("year"))
     cert_id = "CCEVS-VR"
     if cc:
         cert_id += f"-{cc}"
     if vid:
         cert_id += f"-{vid}"
     cert_id += f"-{counter}"
-    cert_id += f"-{year}"
+    if year:
+        cert_id += f"-{year}"
     return cert_id