kindly confirm the modification, thanks! vs kindly confirm the modifications, thanks!

Some examples from the web:

• kindly confirm the modification, thanks!
• Please kindly confirm your presence by December 2.Thank you.I personally hope to organize our meeting for our children for it to be a beautiful thing and something preserved as long as possible.
• The notified body shall examine these modifications and either confirm the validity of the existing certificate or issue a new one if the modifications are liable to compromise conformity with the essential health and safety requirements or with the intended conditions of use of the machine.
• kindly confirm booking 24 hours before due date and also cancellation of booking.
• Will the Commission kindly confirm that these reports are incorrect, because such a deal would conflict with the EU's principle of free movement for its citizens?
• Will the Council kindly confirm that there is no question of any extension to the 1 January 2012 implementation deadline?
• Will the Commission kindly confirm rumours that it is using the debt and financial crisis as an excuse to introduce common energy taxes across the EU?
• Will the Commission kindly confirm that it expects its Commissioners to accord priority status to the undertakings they give vis

Some examples from the web:

• kindly confirm the modifications, thanks!
• Please kindly confirm your presence by December 2.Thank you.I personally hope to organize our meeting for our children for it to be a beautiful thing and something preserved as long as possible.
• The notified body shall examine these modifications and either confirm the validity of the existing certificate or issue a new one if the modifications are liable to compromise conformity with the essential health and safety requirements or with the intended conditions of use of the machine.
• kindly confirm booking 24 hours before due date and also cancellation of booking.
• Will the Commission kindly confirm that these reports are incorrect, because such a deal would conflict with the EU's principle of free movement for its citizens?
• Will the Council kindly confirm that there is no question of any extension to the 1 January 2012 implementation deadline?
• Will the Commission kindly confirm rumours that it is using the debt and financial crisis as an excuse to introduce common energy taxes across the EU?
• Will the Commission kindly confirm that it expects its Commissioners to accord priority status to the undertakings they give vis