General terms for digital products

These sales and delivery terms apply to the purchase of digital products at

LETZ CERTI APS is a Danish based company, CVR no. 41634502, Bjergstedvej 13, st. th., DK -2700 Brønshøj, telephone +45 28 19 50 17, e-mail address

Order is open 24 hours a day and you can always buy our digital products. It might occasionally be closed due to maintenance work on the website. You can only make purchases when the store is open and accessible. To shop on you must be 18 years of age and in possession of a valid credit card. You choose the items you want to buy and put them in the “Shopping Cart”. You can right up to the actual purchase obligation (“Complete purchase”) correct the contents of the shopping cart, and you can regularly check the contents and the price of the goods.

When you make an order, you will automatically receive a receipt for your order. Please note that the order confirmation is not a legally binding order confirmation. It is an electronic receipt for receiving your order. Therefore, we reserve the right to cancel an order as a result of items being sold out, errors, technical problems, delivery failures and the like. When the digital products are ready for you, you will receive an order confirmation with information about your order and about the right of return, the right of withdrawal and the right of complaint.


All prices are current sales prices inclusive of VAT.


You can choose to pay with these cards: Dankort, VISA/Dankort, VISA, VISA Electron, MasterCard / Eurocard. There is no payment fee.

In-app purchases

When buying goods or signing up for subscription services using Apple In-App-Payment, all payments and transactions will be handled directly through Apple’s in-app purchase process.


If there is a discount on a product, the discount will already be deducted from the price shown on the site. That way, the price you see is always “Your Price”. This follows current guidelines from the Consumer Ombudsman.

If you as a company or public institution have a large purchase, we can give you a favorable discount.


E-books and e-magazines for download are delivered via an e-mail containing a download link. First you receive your order confirmation and then a link from which you can download your product. Delivery is via e-mail.

The delivery time for digital products is approximately five minutes, depending on how fast the e-mail with the link reaches your mailbox.

Watermarking of digital products

Digital watermarking is a way of protecting copyrighted material. Some of the products from are stamped with a digital watermark. The watermark consists of information in the file containing your order number. The watermark does not affect the file format and does not complicate the download or use of the files. The watermark documents that the files you download belong to you. All copying, in addition to your private use, and further improper distribution is prohibited. You are solely responsible for ensuring that the files are not distributed to other users and for backup purposes. If your files go astray and eg end up on a file sharing site, we can find your order number using a decoder. The watermarking continues even though the file is dubbed from one device to another.


There is no right of withdrawal on e-books, audiobooks for download, if the link is clicked and the download has begun. If the link is not clicked, we offer a 30-day return policy on digital goods.

You regret by notifying us that you regret. For example, you can send an e-mail informing that you regret, to

The cancellation deadline is complied with if you send your notice that you regret the purchase before the withdrawal period has expired.

Return of goods and return costs

Digital goods are not returned but made inaccessible to all parties. If an agreement has been reached that the product must be returned to, it is the responsibility of to deactivate the digital product.


When a purchase is cancelled, will refund all payments received from you. We will refund the amount without undue delay and in any case within fourteen days from the date we received your cancellation notice. We will make such a refund with the same payment method you used in the original transaction unless you have explicitly instructed us to do otherwise. You will not be charged any fees due to the refund.

Testing the item

There is no right of withdrawal on digital goods that have been tested by clicking on the download link.


Your purchase is covered by the Buying Act. This means that you can either get a defective item repaired, exchanged, money back or rejection of the price, depending on the specific situation. It is a requirement that the complaint is justified and that the defect has not arisen as a result of an incorrect use of the product or other damaging behavior. You must advise within “reasonable time” after you have discovered the defect. We recommend that you advise as soon as possible. You can advise by contacting us via e-mail or by telephone +45 28 19 50 17. Depending on the specific situation, you will receive further instructions.


The access to the product entitles you to, within the limits of the law, use the purchased products for personal, non-commercial purposes, and not for resale, transfer, or sub-licensing. You agree not to attempt, encourage, or assist any other person to circumvent any security technology or software or interfere with, remove or alter any rights management information regarding the purchased products. Actions contrary to the above rights may result in prosecution.

System Requirements

The use of e-books, audiobooks for download presupposes that the user possesses equipment with Internet access and possibly special software, which may incur special expenses for the user. The use may require you to occasionally update or upgrade software and hardware. You acknowledge and agree that such system requirements, which may be amended from time to time, are your own responsibility. It is the customer’s own responsibility to purchase the internet or data subscription to enable the streaming of digital content.

DRM copy-protected e-books

The first time a DRM copy-protected e-book opens, it must be authorized with an Adobe ID. It is your responsibility that you have created an Adobe ID and that the application or device on which the e-book is to be read is authorized by this Adobe ID. DRM-protected e-books can be opened in six different devices, which must be authorized by the same Adobe ID. The link to download English e-books expires after two years. If the e-book is not stored locally on a computer, cannot generate a new link.


By using you agree that we use cookies. A cookie is a small data file that we put on your computer to keep track of what is happening during your visit and to recognize the computer. A cookie is not a program and does not contain viruses. We do not use cookies to generate ads to our customers.


A complaint about a product or service purchased from us can be submitted to the Danish Competition and Consumer Agency’s Center for Complaints, the Names’ House, Toldboden 2, 8800 Viborg. You can appeal to the Center for Complaints Solution via

The EU Commission’s online complaint portal can also be used for filing a complaint. This is particularly relevant if you are a consumer resident in another EU country. Appeals shall be submitted here: od r. By filing a complaint, enter our email address