diff --git a/src/modality-specific-files/magnetic-resonance-imaging-data.md b/src/modality-specific-files/magnetic-resonance-imaging-data.md
index 4c88c4bdef..b323822e97 100644
--- a/src/modality-specific-files/magnetic-resonance-imaging-data.md
+++ b/src/modality-specific-files/magnetic-resonance-imaging-data.md
@@ -207,6 +207,18 @@ entity corresponds to modality suffix,
 such as `T1w` or `inplaneT1`, referenced by the defacemask image.
 For example, `sub-01_mod-T1w_defacemask.nii.gz`.
 
+The OPTIONAL [`task-<label>`](../appendices/entities.md#task) entity can be used
+in order to allow tasks during structural MR acquisitions,
+for example pre-described motion paradigms such as nodding, to be described.
+
+<!-- This block generates a metadata table.
+The definitions of these fields can be found in
+  src/schema/objects/metadata.yaml
+and a guide for using macros can be found at
+ https://github.com/bids-standard/bids-specification/blob/master/macros_doc.md
+-->
+{{ MACROS___make_sidecar_table("anat.TaskMetadata") }}
+
 Some meta information about the acquisition MAY be provided in an additional
 JSON file. See [Common metadata fields](#common-metadata-fields) for a
 list of terms and their definitions. There are also some OPTIONAL JSON
diff --git a/src/schema/objects/metadata.yaml b/src/schema/objects/metadata.yaml
index 4e9466e9ae..56ca9ae0cb 100644
--- a/src/schema/objects/metadata.yaml
+++ b/src/schema/objects/metadata.yaml
@@ -3180,8 +3180,8 @@ TaskName:
     No two tasks should have the same name.
     The task label included in the file name is derived from this `"TaskName"` field
     by removing all non-alphanumeric characters (that is, all except those matching `[0-9a-zA-Z]`).
-    For example `"TaskName"` `"faces n-back"` will correspond to task label
-    `facesnback`.
+    For example `"TaskName"` `"faces n-back"` or `"head nodding" will correspond to task labels
+    `facesnback` and `headnodding`, respectively.
   type: string
 TermURL:
   name: TermURL
diff --git a/src/schema/rules/files/raw/anat.yaml b/src/schema/rules/files/raw/anat.yaml
index df15bd69e2..54edaccc22 100644
--- a/src/schema/rules/files/raw/anat.yaml
+++ b/src/schema/rules/files/raw/anat.yaml
@@ -22,6 +22,7 @@ nonparametric:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -56,6 +57,7 @@ parametric:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -73,6 +75,7 @@ defacemask:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -92,6 +95,7 @@ multiecho:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -111,6 +115,7 @@ multiflip:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -131,6 +136,7 @@ multiinversion:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -150,6 +156,7 @@ mp2rage:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -172,6 +179,7 @@ vfamt:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
@@ -193,6 +201,7 @@ mtr:
   entities:
     subject: required
     session: optional
+    task: optional
     acquisition: optional
     ceagent: optional
     reconstruction: optional
diff --git a/src/schema/rules/sidecars/anat.yaml b/src/schema/rules/sidecars/anat.yaml
index 61958ef461..0bd1527d80 100644
--- a/src/schema/rules/sidecars/anat.yaml
+++ b/src/schema/rules/sidecars/anat.yaml
@@ -31,3 +31,18 @@ PhaseSuffixUnits:
     - suffix == "phase"
   fields:
     Units: required
+
+TaskMetadata:
+  selectors:
+    - datatype == "anat"
+    - entity.task != null
+  fields:
+    TaskName:
+      level: recommended
+      level_addendum: if `task` entity is present
+    TaskDescription:
+      level: recommended
+      level_addendum: if `task` entity is present
+    Instructions:
+      level: recommended
+      level_addendum: if `task` entity is present