diff --git a/codegen/emit_skill.py b/codegen/emit_skill.py
index 4096cdd..566f854 100644
--- a/codegen/emit_skill.py
+++ b/codegen/emit_skill.py
@@ -262,14 +262,18 @@ def _allowlist_section(unreg: dict) -> list[str]:
 
 def _other_section(other: dict) -> list[str]:
     code = other.get("choiceCode", "other")
+    templates = other.get("relevanceTemplates", {})
+    relevance = "; ".join(f"for `{t}`: `{tpl}`" for t, tpl in templates.items())
     return [
         "## `or_other` pattern (open \u201cOther\u201d field)\n",
         f"Applies to: {', '.join(f'`{t}`' for t in other.get('appliesTo', []))}. "
         f"Add a choice with code `{code}`, then a companion "
         f"row of type `{other.get('companionType', 'text')}` named "
-        f"`<question>{other.get('companionSuffix', '_other')}` shown only when the "
-        "\u201cother\u201d choice is picked \u2014 set its `relevant` to `${<question>} = "
-        f"'{code}'`. See the `select_one_other` example.\n",
+        f"`<question>{other.get('companionSuffix', '_other')}` directly after the question, "
+        "shown only when the \u201cother\u201d choice is picked. Set its `relevant` "
+        f"{relevance}. A `select_multiple` value lists every ticked code, so `=` "
+        "would only match when \u201cother\u201d is the sole answer. See the "
+        "`select_one_other` and `select_multiple_other` examples.\n",
     ]
 
 
diff --git a/registry/conventions/other.jsonld b/registry/conventions/other.jsonld
index 84c970e..607925a 100644
--- a/registry/conventions/other.jsonld
+++ b/registry/conventions/other.jsonld
@@ -32,7 +32,10 @@
       "rule": {
         "companionSuffix": "_other",
         "companionType": "text",
-        "relevanceTemplate": "${{${name}}} = 'other'",
+        "relevanceTemplates": {
+          "select_one": "${<question>} = 'other'",
+          "select_multiple": "selected(${<question>}, 'other')"
+        },
         "choiceCode": "other",
         "appliesTo": [
           "select_one",
diff --git a/registry/entities/select_multiple_other/fixtures/xlsform.json b/registry/entities/select_multiple_other/fixtures/xlsform.json
index b8dedaa..6460c82 100644
--- a/registry/entities/select_multiple_other/fixtures/xlsform.json
+++ b/registry/entities/select_multiple_other/fixtures/xlsform.json
@@ -9,7 +9,7 @@
       "type": "text",
       "name": "geraetebesitz_other",
       "label": "Sonstiges (bitte angeben)",
-      "relevant": "${geraetebesitz} = 'other'"
+      "relevant": "selected(${geraetebesitz}, 'other')"
     }
   ],
   "choices": [
diff --git a/registry/entities/select_multiple_other/tsv.tsv b/registry/entities/select_multiple_other/tsv.tsv
index 430e1ca..e580d84 100644
--- a/registry/entities/select_multiple_other/tsv.tsv
+++ b/registry/entities/select_multiple_other/tsv.tsv
@@ -8,4 +8,4 @@ Q	M	geraetebesitz	1	Welche dieser Geräte besitzen Sie?		de				Y				1
 SQ		smart		Smartphone		de								
 SQ		lapt		Laptop		de								
 SQ		tabl		Tablet		de								
-Q	S	geraetebesitzother	geraetebesitz == 'other'	Sonstiges (bitte angeben)		de								1
\ No newline at end of file
+Q	S	geraetebesitzother	(geraetebesitz_other.NAOK == 'Y')	Sonstiges (bitte angeben)		de								1
\ No newline at end of file
diff --git a/skills/cdl-survey-types/references/xlsform-syntax.md b/skills/cdl-survey-types/references/xlsform-syntax.md
index 2a63e28..ddac60c 100644
--- a/skills/cdl-survey-types/references/xlsform-syntax.md
+++ b/skills/cdl-survey-types/references/xlsform-syntax.md
@@ -22,7 +22,7 @@ Write names and choice codes as letters and digits only (`^[a-zA-Z0-9]+$`), e.g.
 
 ## `or_other` pattern (open “Other” field)
 
-Applies to: `select_one`, `select_multiple`. Add a choice with code `other`, then a companion row of type `text` named `<question>_other` shown only when the “other” choice is picked — set its `relevant` to `${<question>} = 'other'`. See the `select_one_other` example.
+Applies to: `select_one`, `select_multiple`. Add a choice with code `other`, then a companion row of type `text` named `<question>_other` directly after the question, shown only when the “other” choice is picked. Set its `relevant` for `select_one`: `${<question>} = 'other'`; for `select_multiple`: `selected(${<question>}, 'other')`. A `select_multiple` value lists every ticked code, so `=` would only match when “other” is the sole answer. See the `select_one_other` and `select_multiple_other` examples.
 
 ## Exclusive answers (`exclusive` column)
 
diff --git a/src/generated/conventions.json b/src/generated/conventions.json
index 9ef8283..fb8195c 100644
--- a/src/generated/conventions.json
+++ b/src/generated/conventions.json
@@ -143,7 +143,10 @@
     "other": {
       "companionSuffix": "_other",
       "companionType": "text",
-      "relevanceTemplate": "${{${name}}} = 'other'",
+      "relevanceTemplates": {
+        "select_one": "${<question>} = 'other'",
+        "select_multiple": "selected(${<question>}, 'other')"
+      },
       "choiceCode": "other",
       "appliesTo": [
         "select_one",
diff --git a/src/generated/conventions.ts b/src/generated/conventions.ts
index 2d135b7..998def8 100644
--- a/src/generated/conventions.ts
+++ b/src/generated/conventions.ts
@@ -152,7 +152,10 @@ const conventions = {
     "other": {
       "companionSuffix": "_other",
       "companionType": "text",
-      "relevanceTemplate": "${{${name}}} = 'other'",
+      "relevanceTemplates": {
+        "select_one": "${<question>} = 'other'",
+        "select_multiple": "selected(${<question>}, 'other')"
+      },
       "choiceCode": "other",
       "appliesTo": [
         "select_one",