diff --git a/src/components/dashboard/utils.ts b/src/components/dashboard/utils.ts
index e095d64..09f00b5 100644
--- a/src/components/dashboard/utils.ts
+++ b/src/components/dashboard/utils.ts
@@ -39,6 +39,7 @@ export function formatAction(action: string, entityType: string | null): string
     DELETE_OWN_ACCOUNT: 'deleted their account',
     EVALUATION_SUBMITTED: 'submitted an evaluation',
     COI_DECLARED: 'declared a conflict of interest',
+    COI_NO_CONFLICT: 'confirmed no conflict of interest',
     COI_REVIEWED: 'reviewed a COI declaration',
     REMINDERS_TRIGGERED: 'triggered evaluation reminders',
     DISCUSSION_COMMENT_ADDED: 'added a discussion comment',
diff --git a/src/server/routers/evaluation.ts b/src/server/routers/evaluation.ts
index 31fe761..fc241b9 100644
--- a/src/server/routers/evaluation.ts
+++ b/src/server/routers/evaluation.ts
@@ -237,18 +237,22 @@ export const evaluationRouter = router({
           select: { criteriaJson: true },
         })
         if (evalForm?.criteriaJson) {
-          const criteria = evalForm.criteriaJson as Array<{ id: string; type?: string; required?: boolean }>
+          const criteria = evalForm.criteriaJson as Array<{ id: string; label?: string; type?: string; required?: boolean }>
           const scorableCriteria = criteria.filter(
             (c) => c.type !== 'section_header' && c.type !== 'text' && c.required !== false
           )
           const scores = data.criterionScoresJson as Record<string, unknown> | undefined
-          const missingCriteria = scorableCriteria.filter(
-            (c) => !scores || typeof scores[c.id] !== 'number'
-          )
+          const missingCriteria = scorableCriteria.filter((c) => {
+            if (!scores) return true
+            const val = scores[c.id]
+            // Boolean criteria store true/false, numeric criteria store numbers
+            if (c.type === 'boolean') return typeof val !== 'boolean'
+            return typeof val !== 'number'
+          })
           if (missingCriteria.length > 0) {
             throw new TRPCError({
               code: 'BAD_REQUEST',
-              message: `Missing scores for criteria: ${missingCriteria.map((c) => c.id).join(', ')}`,
+              message: `Missing scores for criteria: ${missingCriteria.map((c) => c.label || c.id).join(', ')}`,
             })
           }
         }
@@ -523,7 +527,7 @@ export const evaluationRouter = router({
       await logAudit({
         prisma: ctx.prisma,
         userId: ctx.user.id,
-        action: 'COI_DECLARED',
+        action: input.hasConflict ? 'COI_DECLARED' : 'COI_NO_CONFLICT',
         entityType: 'ConflictOfInterest',
         entityId: coi.id,
         detailsJson: {