diff --git a/sstreasury/views.py b/sstreasury/views.py
index 95b87ee..caf715a 100644
--- a/sstreasury/views.py
+++ b/sstreasury/views.py
@@ -689,13 +689,22 @@ def claim_processing(request):
 				num_records = 0
 				for _, payee_claims in itertools.groupby(claims, key=lambda c: '{}/{}{}/{}'.format(c.payee_name.strip(), c.payee_bsb.strip()[:3], c.payee_bsb.strip()[-3:], c.payee_account.strip())):
 					payee_claims = list(payee_claims)
+					
+					reference = 'RE{}'.format(' '.join(str(c.id) for c in payee_claims))
+					if len(reference) > 18:
+						# Avoid cutting a reference number in half
+						if reference[14] == ' ':
+							reference = reference[:14] + ' etc'
+						else:
+							reference = ' '.join(reference[:14].split()[:-1]) + ' etc'
+					
 					aba.write_detail(
 						aba_file,
 						dest_bsb=payee_claims[0].payee_bsb,
 						dest_account=payee_claims[0].payee_account,
 						cents=sum(c.get_total() for c in payee_claims)*100,
 						dest_name=payee_claims[0].payee_name[:32],
-						reference='RE{}'.format(' '.join(str(c.id) for c in payee_claims)),
+						reference=reference,
 						src_bsb=settings.ABA_SRC_BSB,
 						src_account=settings.ABA_SRC_ACC,
 						src_name=settings.ABA_USER_NAME