EPSG:9651 — PL-EVRF2007 height

VERTCRS[
    "PL-EVRF2007 height",
    VDATUM["European Vertical Reference Frame 2007 Poland",ID["EPSG",1297]],
    CS[vertical,1,ID["EPSG",6499]],
    AXIS["Gravity-related height (H)",up],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",9651]
]

+vunits=m +no_defs +type=crs

proj4.defs("EPSG:9651", "+vunits=m +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 9651,
  "name": "PL-EVRF2007 height",
  "kind": "vertical",
  "area": "Poland - onshore",
  "unit": "metre",
  "bbox": [
    49,
    14.14,
    54.89,
    24.15
  ],
  "proj4": "+vunits=m +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9651, 'EPSG', 9651, '+vunits=m +no_defs +type=crs', 'VERT_CS["EVRF2007-PL height",VERT_DATUM["European Vertical Reference Frame 2007 Poland",2005,AUTHORITY["EPSG","1297"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9651"]]');

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

9651=VERT_CS["EVRF2007-PL height",VERT_DATUM["European Vertical Reference Frame 2007 Poland",2005,AUTHORITY["EPSG","1297"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9651"]]