Guessing this got missed when we started development in SciTools-incubator.
Also need a test asserting that each file has such a header.
# Copyright Iris-esmf-regrid contributors
#
# This file is part of Iris and is released under the BSD license.
# See LICENSE in the root of the repository for full licensing details.
Guessing this got missed when we started development in SciTools-incubator.
Also need a test asserting that each file has such a header.