diff --git a/types/oscal/nominal_catalog/nominal_catalog.go b/types/oscal/nominal_catalog/nominal_catalog.go
new file mode 100644
index 0000000..0015aa0
--- /dev/null
+++ b/types/oscal/nominal_catalog/nominal_catalog.go
@@ -0,0 +1,112 @@
+// Code generated by go generate; DO NOT EDIT.
+package nominal_catalog
+
+import (
+	"github.com/docker/oscalkit/types/oscal/validation_root"
+)
+
+// NOT TO BE USED FOR A BASE METASCHEMA ONLY FOR A MODULE
+type NominalCatalog struct {
+
+	// Parameters provide a mechanism for the dynamic assignment of value(s) in a control.
+	Param *Param `xml:"param,omitempty" json:"param,omitempty"`
+	// A partition or component of a control or part
+	Part *Part `xml:"part,omitempty" json:"part,omitempty"`
+}
+
+// Parameters provide a mechanism for the dynamic assignment of value(s) in a control.
+type Param struct {
+
+	// Unique identifier of the containing object
+	Id string `xml:",attr,omitempty" json:",omitempty"`
+	// Indicating the type or classification of the containing object
+	Class string `xml:",attr,omitempty" json:",omitempty"`
+	// Another parameter invoking this one
+	DependsOn string `xml:",attr,omitempty" json:",omitempty"`
+
+	// A short name for the parameter.
+	Label Label `xml:"label,omitempty" json:"label,omitempty"`
+	// Indicates and explains the purpose and use of a parameter
+	Usage []Usage `xml:"descriptions,omitempty" json:"descriptions,omitempty"`
+	// A formal or informal expression of a constraint or test
+	Constraint []Constraint `xml:"constraints,omitempty" json:"constraints,omitempty"`
+	// A reference to a local or remote resource
+	Link []validation_root.Link `xml:"links,omitempty" json:"links,omitempty"`
+	// A prose statement that provides a recommendation for the use of a parameter.
+	Guideline []Guideline `xml:"guidance,omitempty" json:"guidance,omitempty"`
+	// A recommended parameter value or set of values.
+	Value Value `xml:"value,omitempty" json:"value,omitempty"`
+	// A set of parameter value choices, that may be picked from to set the parameter value.
+	Select *Select `xml:"select,omitempty" json:"select,omitempty"`
+}
+
+// A prose statement that provides a recommendation for the use of a parameter.
+type Guideline struct {
+
+	// Prose permits multiple paragraphs, lists, tables etc.
+	Prose Prose `xml:"prose,omitempty" json:"prose,omitempty"`
+}
+
+// Presenting a choice among alternatives
+type Select struct {
+
+	// When selecting, a requirement such as one or more
+	HowMany string `xml:",attr,omitempty" json:",omitempty"`
+
+	// A value selection among several such options
+	Choice []Choice `xml:"alternatives,omitempty" json:"alternatives,omitempty"`
+}
+
+// A partition or component of a control or part
+type Part struct {
+
+	// Unique identifier of the containing object
+	Id string `xml:",attr,omitempty" json:",omitempty"`
+	// Identifying the purpose and intended use of the property, part or other object.
+	Name string `xml:",attr,omitempty" json:",omitempty"`
+	// A namespace qualifying the name.
+	Ns string `xml:",attr,omitempty" json:",omitempty"`
+	// Indicating the type or classification of the containing object
+	Class string `xml:",attr,omitempty" json:",omitempty"`
+
+	// A title for display and navigation
+	Title validation_root.Title `xml:"title,omitempty" json:"title,omitempty"`
+	// A value with a name, attributed to the containing control, part, or group.
+	Prop []validation_root.Prop `xml:"properties,omitempty" json:"properties,omitempty"`
+	// Prose permits multiple paragraphs, lists, tables etc.
+	Prose Prose `xml:"prose,omitempty" json:"prose,omitempty"`
+	// A reference to a local or remote resource
+	Link []validation_root.Link `xml:"links,omitempty" json:"links,omitempty"`
+	// A partition or component of a control or part
+	Part []Part `xml:"parts,omitempty" json:"parts,omitempty"`
+}
+
+// A placeholder for a missing value, in display.
+
+type Label string
+
+// Indicates and explains the purpose and use of a parameter
+type Usage struct {
+	// Unique identifier of the containing object
+	Id    string `xml:",attr,omitempty" json:",omitempty"`
+	Value string `xml:",chardata" json:"value,omitempty"`
+}
+
+// A formal or informal expression of a constraint or test
+type Constraint struct {
+	// A formal (executable) expression of a constraint
+	Test  string `xml:",attr,omitempty" json:",omitempty"`
+	Value string `xml:",chardata" json:"value,omitempty"`
+}
+
+// Indicates a permissible value for a parameter or property
+
+type Value string
+
+// A value selection among several such options
+
+type Choice string
+
+// Prose permits multiple paragraphs, lists, tables etc.
+
+type Prose string