{"version":"1.0","provider_name":"Daamen &amp; van Sluis Accountants Belastingadviseurs","provider_url":"https:\/\/daasluis.nl\/en\/","author_name":"Daamen &amp; van Sluis Accountants Belastingadviseurs","author_url":"https:\/\/daasluis.nl\/en\/","title":"Formulier teruggaaf of naheffing gedifferentieerde premie Whk - Daamen &amp; van Sluis Accountants Belastingadviseurs","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"FmZxbfPDvm\"><a href=\"https:\/\/daasluis.nl\/en\/nieuwsbank\/formulier-teruggaaf-of-naheffing-gedifferentieerde-premie-whk\/\">Formulier teruggaaf of naheffing gedifferentieerde premie Whk<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/daasluis.nl\/en\/nieuwsbank\/formulier-teruggaaf-of-naheffing-gedifferentieerde-premie-whk\/embed\/#?secret=FmZxbfPDvm\" width=\"600\" height=\"338\" title=\"&#8220;Formulier teruggaaf of naheffing gedifferentieerde premie Whk&#8221; &#8212; Daamen &amp; van Sluis Accountants Belastingadviseurs\" data-secret=\"FmZxbfPDvm\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/daasluis.nl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/daasluis.nl\/wp-content\/uploads\/2026\/02\/mobiel01.jpg","thumbnail_width":1920,"thumbnail_height":1080,"description":"Soms is het gedifferentieerde premiepercentage Werkhervattingskas, Whk, in uw aangifte loonheffingen anders dan het percentage dat de Belastingdienst heeft vastgesteld. Verzoek dan om een teruggaaf of om een naheffing. Dan kan nu ook voor het jaar 2026."}