1.0ESNA-SOAhttps://esnasoa.it/en/sgiadminhttps://esnasoa.it/en/author/sgiadmin/rich600338<blockquote class="wp-embedded-content" data-secret="ZrOXfuxYAC"><a href="https://esnasoa.it/en/what-is-soa-certification/">What is SOA certification?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://esnasoa.it/en/what-is-soa-certification/embed/#?secret=ZrOXfuxYAC" width="600" height="338" title="“What is SOA certification?” — ESNA-SOA" data-secret="ZrOXfuxYAC" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://esnasoa.it/wp-includes/js/wp-embed.min.js </script> What is SOA certification? SOA qualification is the certification that authorises a company in the construction sector to participate in public tenders by category and amount classification. SOA certification is mandatory for any company intending to carry out public works assigned by contracting authorities, either directly or by subcontracting, for amounts of €150,000 or more. ... Read more