CD Norway depth - EPSG:9672

WKT

VERTCS["CD_Norway_depth", 
	VDATUM["Norwegian_Chart_Datum"], 
	PARAMETER["Vertical_Shift", 0.0], 
	PARAMETER["Direction", -1.0], 
	UNIT["Meter", 1.0]]

WKT2

VERTCRS["CD_Norway_depth", 
	VDATUM["Norwegian_Chart_Datum"], 
	CS[vertical, 1], 
	AXIS["Gravity-related height (H)", down, 
		LENGTHUNIT["Meter", 1.0]], 
	ID["EPSG", "9672"]]

Data from @esri/proj-codes

{
  "wkid": 9672,
  "latestWkid": 9672,
  "macro": "PE_VCS_CD_NORWAY_DEPTH",
  "name": "CD_Norway_depth",
  "wkt": "VERTCS[\"CD_Norway_depth\",VDATUM[\"Norwegian_Chart_Datum\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",-1.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "VERTCRS[\"CD_Norway_depth\",VDATUM[\"Norwegian_Chart_Datum\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",down,LENGTHUNIT[\"Meter\",1.0]],ID[\"EPSG\",\"9672\"]]",
  "description": "CD Norway depth",
  "authority": "EPSG",
  "version": "10.009(12.9.0)",
  "deprecated": "no",
  "areaname": "Norway, Svalbard and Jan Mayen - offshore",
  "extent": {
    "slat": 56.08,
    "nlat": 84.73,
    "llon": -13.63,
    "rlon": 38.01
  }
}