UCD Terms of Use (https://www.unicode.org/Public/UNIDATA/UCD.html)

Disclaimer

The Unicode Character Database is provided as is by Unicode, Inc.
No claims are made as to fitness for any particular purpose. No
warranties of any kind are expressed or implied. The recipient
agrees to determine applicability of information provided. If this
file has been purchased on magnetic or optical media from Unicode,
Inc., the sole remedy for any claim will be exchange of defective
media within 90 days of receipt.

This disclaimer is applicable for all other data files accompanying
the Unicode Character Database, some of which have been compiled
by the Unicode Consortium, and some of which have been supplied by
other sources.

Limitations on Rights to Redistribute This Data

Recipient is granted the right to make copies in any form for
internal distribution and to freely use the information supplied
in the creation of products supporting the Unicode (TM) Standard.
The files in the Unicode Character Database can be redistributed
to third parties or other organizations (whether for profit or not)
as long as this notice and the disclaimer notice are retained.
Information can be extracted from these files and used in documentation
or programs, as long as there is an accompanying notice indicating
the source.