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Invoicing software, and what a good system has to do

Every invoicing system in Israel produces a document that looks correct. The differences show up in three places: what happens when the Tax Authority rejects a request, what a busy month costs, and what happens on the day you want to move on.

  1. 001

    Fiscal correctness, before any feature

    A computerized document needs a digital signature at the moment of issue, running locked numbering per document type, and no way to edit a document once issued. A system that lets you fix an old invoice saves you a minute and costs you an audit.

  2. 002

    Allocation numbers without being asked

    Since June 2026 the threshold has been ILS 5,000 before VAT, so nearly every active business meets it. The question is not whether the system supports it, but whether it requests one in the background and what it does when the request is rejected.

  3. 003

    The export on the day you leave

    A full Open Format file, in one click, without contacting support. Nobody checks this at the start and everybody regrets it at the end. A system that is hard to leave is a warning sign.

  4. 004

    The pricing model, not the headline price

    Most price lists here follow document volume. A business issuing 15 documents a month and one issuing 150 pay entirely different amounts on the same system. Count your busiest month, not your average one.

  5. 005

    A VAT report from the same data

    The periodic report should follow from the documents and expenses that were recorded, not from a side spreadsheet. When it is computed elsewhere, reconciling against the books becomes manual work every period.

  6. 006

    Overseas clients, if you have them

    A document in English, an amount in foreign currency and zero-rated VAT are three separate things. Some systems handle only part of that, and it surfaces with the first client abroad.

An invoicing system for an osek patur and for an osek murshe

Status decides which documents the system has to issue. Anosek patur issues a transaction invoice and a receipt and charges no VAT, so a system that lets them issue a tax invoice does them harm. Anosek murshe issues tax invoices, charges VAT, and needs an allocation number above the threshold and a periodic report drawn from the same data.

A system that asks for the business type at signup and constrains the document types accordingly heads off the mistake that surfaces months later, when a customer asks to deduct VAT from an invoice that should never have been issued.

Cloud system or installed software

Software installed on one machine needs that machine to be available, updated and backed up, and the person who knows how to drive it to be there. AnOpen Format export generated locally depends on the installed version, and often comes out incomplete. A cloud system produces the file on the server, the same way every time.

On the other hand, installed software usually arrives with double-entry bookkeeping, payroll and inventory. If you need those, this is not the same comparison. Thesystems comparison breaks it down by vendor.

What to test yourself, before paying

Open an issued document, change a digit and try to verify it. Verification that still passes means there is no real digital signature behind it. Ask to export an Open Format file from a trial account and see how many clicks it takes. Issue a tax invoice above ILS 5,000 and watch what happens to theallocation number when the Authority's system is down.

And if you are coming from an existing system, the order of operations matters more than the date you pick. It is set out in theguide to switching invoicing software.

What Slate does

Every document is signed at the moment of issue and locked against editing, numbering is held on the server separately per document type, and an allocation number is requested and returned in the background with no manual step. Open Format import and export both work, and the VAT report follows from the same documents and expenses that were recorded. Slate is free, with no document ceiling.

Want to see how it works

You can issue a first document with no charge and no document limit.

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