diff --git a/src/test/resources/schemas/describedBy.json b/src/test/resources/schemas/describedBy.json
index b94112d94..15d1d48d5 100644
--- a/src/test/resources/schemas/describedBy.json
+++ b/src/test/resources/schemas/describedBy.json
@@ -21,76 +21,6 @@
             "title": "Label of the description",
             "type": "string"
         },
-        "dateCreated": {
-            "title": "Creation date of the metadata record",
-            "type": "string",
-            "pattern": "^(((\\d{4})(0[13578]|10|12)(0[1-9]|[12][0-9]|3[01]))|((\\d{4})(0[469]|11)([0][1-9]|[12][0-9]|30))|((\\d{4})(02)(0[1-9]|1[0-9]|2[0-8]))|(([02468][048]00)(02)(29))|(([13579][26]00) (02)(29))|(([0-9][0-9][0][48])(02)(29))|(([0-9][0-9][2468][048])(02)(29))|(([0-9][0-9][13579][26])(02)(29))|(00000000)|(88888888)|(99999999))?$"
-        },
-        "dateModified": {
-            "title": "Modification date of the metadata record",
-            "type": "string",
-            "pattern": "^(((\\d{4})(0[13578]|10|12)(0[1-9]|[12][0-9]|3[01]))|((\\d{4})(0[469]|11)([0][1-9]|[12][0-9]|30))|((\\d{4})(02)(0[1-9]|1[0-9]|2[0-8]))|(([02468][048]00)(02)(29))|(([13579][26]00) (02)(29))|(([0-9][0-9][0][48])(02)(29))|(([0-9][0-9][2468][048])(02)(29))|(([0-9][0-9][13579][26])(02)(29))|(00000000)|(88888888)|(99999999))?$"
-        },
-        "provider": {
-            "title": "Provider of the metadata record",
-            "type": "object",
-            "properties": {
-                "id": {
-                    "title": "lobid-organisations URI",
-                    "type": "string",
-                    "format": "uri",
-                    "pattern": "^http:\\/\\/lobid.org\\/organisations\\/\\D{1,4}-[A-Za-z0-9-:\\/]{1,11}"
-                },
-                "label": {
-                    "title": "label",
-                    "type": "string"
-                }
-            },
-            "required": [
-                "id",
-                "label"
-            ]
-        },
-        "sourceOrganization": {
-            "title": "Organization that added the record to the union catalog",
-            "type": "object",
-            "properties": {
-                "id": {
-                    "title": "lobid-organisations URI",
-                    "type": "string",
-                    "format": "uri",
-                    "pattern": "^http:\\/\\/lobid.org\\/organisations\\/\\D{1,4}-[A-Za-z0-9-:\\/]{1,11}"
-                },
-                "label": {
-                    "title": "label",
-                    "type": "string"
-                }
-            },
-            "required": [
-                "id",
-                "label"
-            ]
-        },
-        "modifiedBy": {
-            "title": "Organization from which the record was last modified",
-            "type": "object",
-            "properties": {
-                "id": {
-                    "title": "lobid-organisations URI",
-                    "type": "string",
-                    "format": "uri",
-                    "pattern": "^http:\\/\\/lobid.org\\/organisations\\/\\D{1,4}-[A-Za-z0-9-:\\/]{1,11}"
-                },
-                "label": {
-                    "title": "label",
-                    "type": "string"
-                }
-            },
-            "required": [
-                "id",
-                "label"
-            ]
-        },
         "inDataset": {
             "title": "Link to the dataset that contains the record",
             "type": "object",
@@ -154,6 +84,18 @@
                             "type": "string",
                             "format": "uri"
                         },
+                        "dateCreated": {
+                            "title": "Creation date of the metadata record",
+                            "type": "string",
+                            "format": "date",
+                            "pattern": "^\\d{4}-\\d{2}-\\d{2}"
+                        },
+                        "dateModified": {
+                            "title": "Modification date of the metadata record",
+                            "type": "string",
+                            "format": "date",
+                            "pattern": "^\\d{4}-\\d{2}-\\d{2}"
+                        },
                         "label": {
                             "type": "string"
                         },
@@ -176,13 +118,74 @@
                                     "const": "hbz_unioncatalog"
                                 }
                             }
+                        },
+                        "sourceOrganization": {
+                            "title": "Organization that added the record to the union catalog",
+                            "type": "object",
+                            "properties": {
+                                "id": {
+                                    "title": "lobid-organisations URI",
+                                    "type": "string",
+                                    "format": "uri"
+                                },
+                                "label": {
+                                    "title": "label",
+                                    "type": "string"
+                                }
+                            },
+                            "required": [
+                                "id",
+                                "label"
+                            ]
+                        },
+                        "provider": {
+                            "title": "Provider of the metadata record",
+                            "type": "object",
+                            "properties": {
+                                "id": {
+                                    "title": "lobid-organisations URI",
+                                    "type": "string",
+                                    "format": "uri"
+                                },
+                                "label": {
+                                    "title": "label",
+                                    "type": "string"
+                                }
+                            },
+                            "required": [
+                                "id",
+                                "label"
+                            ]
+                        },
+                        "modifiedBy": {
+                            "title": "Organization from which the record was last modified",
+                            "type": "array",
+                            "items": {
+                                "properties": {
+                                    "id": {
+                                        "title": "lobid-organisations URI",
+                                        "type": "string",
+                                        "format": "uri"
+                                    },
+                                    "label": {
+                                        "title": "label",
+                                        "type": "string"
+                                    }
+                                },
+                                "type": "object",
+                                "required": [
+                                    "id",
+                                    "label"
+                                ]
+                            }
                         }
                     },
                     "required": [
                         "id",
                         "type",
                         "label",
-                        "inDataset"
+                        "inDataset",
+                        "dateCreated"
                     ]
                 },
                 "endTime": {
@@ -226,7 +229,6 @@
         "id",
         "type",
         "label",
-        "dateCreated",
         "inDataset",
         "resultOf",
         "license"
diff --git a/src/test/resources/schemas/spatial.json b/src/test/resources/schemas/spatial.json
index c06a69044..8c633b195 100644
--- a/src/test/resources/schemas/spatial.json
+++ b/src/test/resources/schemas/spatial.json
@@ -2,7 +2,7 @@
     "$id": "spatial.json",
     "$schema": "http://json-schema.org/draft-07/schema#",
     "title": "Spatial",
-    "description": "Object for NWBib spatial classification",
+    "description": "Object for NWBib and RPB spatial classification",
     "type": "array",
     "items": {
         "type": "object",
@@ -30,7 +30,10 @@
                     "id": {
                         "type": "string",
                         "format": "uri",
-                        "const": "https://nwbib.de/spatial"
+                        "enum": [
+                          "https://nwbib.de/spatial",
+                          "https://rpb.lobid.org/spatial"
+                        ]
                     },
                     "label": {
                         "type": "string"
@@ -58,10 +61,12 @@
                         "type": "object",
                         "properties": {
                             "lat": {
-                                "type": "number"
+                                "type": "string",
+                                "pattern": "[\\d]*\\.[\\d]*"
                             },
                             "lon": {
-                                "type": "number"
+                                "type": "string",
+                                "pattern": "[\\d]*\\.[\\d]*"
                             }
                         }
                     }