Generating invoice numbers using excel [reader questions]

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Michelle, Who is a sweet lady and regular reader of the blog sent me this question via e-mail. (aside: why is she a sweet lady? Because she saw the new cell post and sent me pics of her son and told Jo and me are about to encounter most amazing experiences of our lives 🙂 )

I handle the invoices we give to our customers (we build and sell furniture), but sometimes such customers can be stores or just regular folks that come directly to us.

For the stores I have to give an invoice that has a NCF number which is a tax related number that increases the cost in 16% but stores require this number which must be unrepeatable. Each company has a “list” of numbers that they can provide their customers. Regular customers (not stores) have no interest in this number, obviously trying to avoid the 16% increase in the price!

So far what I did was create a database of our customers with the basic info of each one. Many of our customers keep buying so this way I just have to place myself in the invoice and select from a list and with a simple vlookup I get the rest of the customer’s information: phone, address and RNC number.

Now… the RNC is the number that tells me if it’s a store or not. Stores must have their registration number (RNC) in order to receive invoices with NCF (boring, I know… I’m gonna get to the point in a sec). Ok, so if I choose my dear customer “Chandoo Enterprises” and this store has RCN, then I automatically need for the invoice to pull form “my list” of government assigned NCF numbers, the next one in line. If in my previous invoice (say invoice 1455) to another store I used NCF number A010010010100000002 (that’s how they look) for Chandoo Enterprises -invoice #1456- I am going to need the next number in line A010010010100000003 and so on. Now, say that my next invoice (1457) is not to a store but to John Doe, for him I don’t want an NCF number to show.

I keep thinking that there’s a very stupid and simple way to do this but I just can’t nail it!! My problem is to get to a formula that will work only when the RNC field has information and therefore avoiding NCF numbers to appear on non-store customers (not so complicated I think) and that it chooses the next NCF number in line, no repeating… this is the part that I have no idea how to do!! Is there a way to solve this without using VBA? VBA is scary!! Hehehe

Okay, that is a big question, but may be we can come up with a small solution for it.

Invoice Numbers in ExcelIf I understand it correct, Michelle is looking for something like this:

So, in order to generate such numbers,

  1. First we will make 2 named ranges – customer_list and ncf_numbers. You know what they mean.
  2. Now, we will enter the customer name in column B, and based on that we will fetch RNC number in column C.
  3. For this, we will use VLOOKUP () formula. The simplest formula looks like this: VLOOKUP(B5,customer_list,4,FALSE)
  4. But, simplest formula also has problems – it doesn’t handle errors and can return 0 when the RNC number field is blank. So we will add some fat to it, mainly on the front side. It now looks like this: =IF(ISERROR(VLOOKUP(B5,customer_list,4,FALSE)),””, VLOOKUP(B5,customer_list,4,FALSE))
  5. In the third column, we will fetch the next available NCF number if the customer has an RNC. For this, we use a simple IF() and COUNTIF() formulas along with INDEX() formula. We write: =IF(OR(C5=””,C5=0),””,INDEX(ncf_numbers,COUNTIF($C$5:C5,”RNC*”))).
  6. Above formula simple fetches the nth NCF number from the named range ncf_numbers if RNC number is not blank.
  7. That is all.  We now have a simple logic to generate invoice numbers that suit tax authority’s whims and fancies.

Download the example workbook:

You can download the excel tutorial workbook and see how you can generate such invoice numbers yourself.

More material if you are getting stuck with formulas

50+ Excel Formulas – Explained in plain English, Excel formula tutorials, Excel array formula examples

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19 Responses to “Free Invoice Template using Excel – Download”

  1. Doug H says:

    Nice post! Invoicing for the small biz or solo entrepreneur is something I see a lot of interest in. Also there are great templates from http://office.microsoft.com/en-us/templates

  2. Abhay says:

    This is awesome.

    I would need a little more. e.g. say I generate a Inv. # 1 with all the details. Once done I can click a button all the relevant details gets stored in some table. Further, when i generate a new invoice those details gets stored in same table but just below the previous invoice.

    Is their a way to do this?

  3. Hui... says:

    Daily dose of Excel held a competition in 2005 for this same topic
    It obtained 9 solutions which are shown:
    http://dailydoseofexcel.com/archives/2005/10/27/invoice-app-the-results/

  4. parimal says:

    How can i removed Dollar Sign, As want to use this in india.
    Please reply.

  5. parimal says:

    Also if possible then can i use Indian Rupee Sign and how?

  6. Gaurang Mhatre says:

    Hi Chandoo,

    Thanks for sharing this invoice template, Let me tell you this template will definitely help me since I got a process to handle where this invoice piece comes. Just a small doubt, can we store all the invoice details in PRODUCT & SERVICES sheet. So that whenever I select an invoice number from invoice sheet I can take print out and I can share it as well. Can we do that?? Since I will be dealing with this on monthly basis.
    It would be great if you can help me with this.

    Thanks in advance for your help!

    Regards,
    Gaurang Mhatre

  7. shrikant says:

    Hi Chandoo,

    I was thinking learning excel is quite tuff task but your blog proved me wrong. You made it very interesting. Thank you. Also the template you have provided for Invoice is very helpful to us.

  8. AKIN KARAMAN says:

    Thanks thanks thanks.. Very helpful. 🙂

  9. Trevor Gordon says:

    Hi i love the speadsheet but would like to ask how do i get it to add the description into the invoice as well

  10. Anuj says:

    Hi Randy, I tried to download one of your link "https://www.dropbox.com/s/2yvo0o2tgq9quhe/Medical_Massage_and_Salon_Application-Free.xlsm" However, i found the link unavailable. Can you please help me get the new link or can you please send this VBA file on my Email-ID.

  11. Kapil says:

    Hi, is there any chance that this can work with the "Products & Service" sheet outside of the Invoice sheet. I create multiple invoice files for the numerous clients. Updating the product sheet for each of them maybe a task. Hence, I want to create a MASTER FILE from which data can be picked up without having to insert new data in each of the invoice files.
    Possible? Or am I asking for the moon 😉

  12. Kadr Leyn says:

    Thank you so much for tutorial.
    This example can be reviewed for the example of the advanced invoice that made with excel userform :https://youtu.be/Qr-4of-38DI

  13. Trevor Gordon says:

    Good Day
    i love this template may i ask if it could be modified to have the following
    when you lookup a item code in the next column to the right it brings up the description then the quantity, unit cost, discount and then total otherwise i love the template

    Item Code Description Quantity Unit Cost Discount Total

  14. Denise Konopka says:

    When creating an Invoice template in Excel are you able to utilize the auto row height and wrap feature when the cell is a merged cell? I need to have a number of cells merged together to allow for enough space to type in the description of work performed (lets say cells A-D are merged in each row) however it seems that I am unable to utilize the auto format feature. To work around this I have to manually increase the row height after each entry. Is there a better solution for this? Thank you!

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