Keep-up-date vs Keep up date

Some examples from the web:

• keep up to date records indicating:
• The Commission shall establish and keep up to date a Community Register of Feed Additives.
• We keep up to date or go under.
• The Commission shall publish and keep up to date a list of the provisions in question.
• 1. The Commission shall establish and keep up to date a Community Register of Feed Additives.
• The Agency shall keep up-to-date the list of national restriction codes.
• Member States shall draw up and keep up to date a list of travellers' points of entry.
• The collective management organisation shall publish, and keep up to date, on its public website the information referred to in paragraph 1.
• The Commission sets up and keeps up to date a database containing the information provided by the Member States.
• Member States shall set up and keep up to date an electronic database where they upload all inspection and surveillance reports drawn up by their officials.
• Periodic evaluations of implementation of the directive are necessary in order to keep up to date with any new threats to port security.
• As sectors are developing fast so must our legislators also work fast and keep up-to-date.
• - You need to keep up to date.
• The vampire tries to keep up to date, but everything seems absolutely complicated, irritating and senseless.
• Only if teachers continue to learn can they keep up to date and provide learning that is truly relevant to their pupils.
• Modern communication has allowed us to stay in constant touch and to keep up to date at all times.
• ESMA shall publish and keep up-to-date a list of those authorities on its website.
• The Commission shall set up and keep up to date a database containing the information provided by the Member States.
• EIOPA shall publish and keep up to date on its website a list of all third countries referred to in the first subparagraph.
• Member States shall set up and keep up to date a list of officials responsible for carrying out inspections.

Some examples from the web:

• keep up to date records indicating:
• The Commission shall establish and keep up to date a Community Register of Feed Additives.
• We keep up to date or go under.
• The Commission shall publish and keep up to date a list of the provisions in question.
• 1. The Commission shall establish and keep up to date a Community Register of Feed Additives.
• The Agency shall keep up-to-date the list of national restriction codes.
• Member States shall set up and keep up to date an electronic database where they upload all inspection and surveillance reports drawn up by their officials.
• Member States shall set up and keep up to date an electronic database where they upload all inspection and surveillance reports drawn up by their officials.
• Member States shall draw up and keep up to date a list of travellers' points of entry.
• The Commission sets up and keeps up to date a database containing the information provided by the Member States.
• The Commission shall set up and keep up to date a database containing the information provided by the Member States.
• Member States shall set up and keep up to date a list of officials responsible for carrying out inspections.
• The Committee established under Article 10 of this Agreement shall draw up and keep up to date a list of the designating authorities notified by the Parties.
• 1. Each producer Member State shall draw up and keep up to date permanent computerized files of olive and olive-oil production data.
• The Commission shall draw up and keep up-to-date a comprehensive, user-friendly guide concerning the citizens' initiative.
• The Committee established under Article 10 of this Agreement shall draw up and keep up to date a list of the designating authorities notified by the Parties.
• The Committee established under Article 10 of this Agreement shall draw up and keep up to date a list of the approval bodies.
• The Commission shall set up and keep up to date a database containing the information supplied by the Member States.
• The collective management organisation shall publish, and keep up to date, on its public website the information referred to in paragraph 1.
• Periodic evaluations of implementation of the directive are necessary in order to keep up to date with any new threats to port security.