diff --git a/src/ov_SC01_077/ov_SC01_077_jr_8016AB6C.c b/src/ov_SC01_077/ov_SC01_077_jr_8016AB6C.c
index 3405c0049..b33102e89 100644
--- a/src/ov_SC01_077/ov_SC01_077_jr_8016AB6C.c
+++ b/src/ov_SC01_077/ov_SC01_077_jr_8016AB6C.c
@@ -3950,25 +3950,27 @@ void func_8016EBA8(u8 *param_1)
 extern void func_80017B98(void *a0);
 extern u8 D_80189EC8[];
 
-typedef struct {
-    /* 0x00 */ s16 x;
-    /* 0x02 */ s16 y;
-    /* 0x04 */ s32 u04;
-    /* 0x08 */ s16 u08;
-    /* 0x0A */ s16 u0A;
-    /* 0x0C */ s16 u0C;
-    /* 0x0E */ s16 u0E;
-    /* 0x10 */ u8 r;
-    /* 0x11 */ u8 g;
-    /* 0x12 */ u8 b;
-    /* 0x13 */ u8 pad13;
-    /* 0x14 */ s32 u14;
-    /* 0x18 */ u8 u18;
-    /* 0x19 */ u8 pad19[3];
-} T8016EC0C; /* 0x1C */
-
 void func_8016EC0C(s32 a0, s32 a1)
 {
+    /* §100 draft-LOCAL type: a file-scope typedef is an EXEMPLAR-ONLY bank — extract_unit/
+       remap_hseq carry only the BODY, so every sibling fails `T8016EC0C undeclared`
+       (measured on ov_SC01_000). Block scope travels with the body; byte-neutral. */
+    typedef struct {
+        /* 0x00 */ s16 x;
+        /* 0x02 */ s16 y;
+        /* 0x04 */ s32 u04;
+        /* 0x08 */ s16 u08;
+        /* 0x0A */ s16 u0A;
+        /* 0x0C */ s16 u0C;
+        /* 0x0E */ s16 u0E;
+        /* 0x10 */ u8 r;
+        /* 0x11 */ u8 g;
+        /* 0x12 */ u8 b;
+        /* 0x13 */ u8 pad13;
+        /* 0x14 */ s32 u14;
+        /* 0x18 */ u8 u18;
+        /* 0x19 */ u8 pad19[3];
+    } T8016EC0C; /* 0x1C */
     T8016EC0C s;
     u16 *p;
     s32 x;