Open Online International Tender With The Award Criterion Of The Most Economically Advantageous Offer Based On The Best Value For Money For The Selection Of A Contractor To Undertake The Work Of Creation Of Notifications And Messaging Systems Either Via Sms Or Via Internet Messaging Services And An Otp Verification System In The Applications And Electronic Services Of Dypa Action 16942 Budget At Taa €400,000 Plus Vat (24%), I.E. €496,000.00.