EPSG:5621 — EVRF2007 height

VERTCRS[
    "EVRF2007 height",
    VDATUM["European Vertical Reference Frame 2007",ID["EPSG",5215]],
    CS[vertical,1,ID["EPSG",6499]],
    AXIS["Gravity-related height (H)",up],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    GEOIDMODEL[
        "ETRS89-SVK [SKTRF09] to ETRS89-SVK [SKTRF09] + EVRF2007 height (1)",
        ID["EPSG",8362]
    ],
    ID["EPSG",5621]
]

+vunits=m +no_defs +type=crs

proj4.defs("EPSG:5621", "+vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 5621,
  "name": "EVRF2007 height",
  "kind": "vertical",
  "area": "Europe - EVRF2007",
  "unit": "metre",
  "bbox": [
    35.95,
    -9.56,
    71.24,
    31.59
  ],
  "proj4": "+vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5621, 'EPSG', 5621, '+vunits=m +no_defs +type=crs', 'VERT_CS["EVRF2007 height",VERT_DATUM["European Vertical Reference Frame 2007",2005,AUTHORITY["EPSG","5215"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5621"]]');

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

5621=VERT_CS["EVRF2007 height",VERT_DATUM["European Vertical Reference Frame 2007",2005,AUTHORITY["EPSG","5215"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5621"]]