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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17 Responses to “Budget vs. Actual Profit Loss Report using Pivot Tables”

  1. Dau says:

    Good Work, Yogesh & Chandoo! Thanks.

  2. Abdul Kader says:

    Hi everybody,
    first sorry I am late to say something about this topic;actually I was waiting last part
    second I am not accountant I am an Engineer
    third """"Very Important""" the idea is not about Loss but I am sure it is profit
    Based on third it shows:
    1- How to use EXCEL
    2- How to use pivot TABLES
    3- How to collect and arrange DATA
    4- How to make reports

    Many Thanks

  3. UB says:

    Hi Yogesh and Chandoo,

    Thank you for sharing your knowledge!
    You guys are great!

  4. Alejandro says:

    thanks chandoo and yogesh, thanks for you lessons, are great!....i have a idea for a budget. I try to do it..... thanks for all

  5. SAUL ESPINOZA says:

    Thanks a lot for sharing the most powerful tool worldwide "knowledge"
    Warm greetings from Peru

  6. juanito says:

    Hi -
    This is a really great article because it's a simple and common thing you'd want to do with a pivot table but not at all obvious how to do it! So - muchas gracias to Chandoo and Yogesh!
    One thing - I couldn't get past the group error in the sample file. I would click on ungroup but it didn't seem to have any effect. I'd appreciate it if anybody has any pointers here.

    -Juanito

  7. Adam says:

    Hi Chandoo

    I am also having the group error. Can't seem to ungroup? Appreciate if you explain further on the steps required in order to get to calculated items.

    Many thanks and keep up the great work.

    Cheers
    Adam

  8. Catherine says:

    Hi Chandoo,

    I'm struggling resolving the problem depicted below:
    I have a set of data, with (among others) a "Region" field (can be APJ, EMEA, or AMS), and a "Country" field.
    Unfortunately, I need to group data by the following 4 Regions: APeJ, Japan, EMEA and AMS.

    I first tried to make a pivot with Region and Country in the rows (or columns), and then group Country data as per the above.
    Alas, as soon as I have a new Country that appear in my data set, my groupings are broken, and I have to redo the job of ungrouping, grouping etc.

    I thought I could try to use calculated item, by adding first a new column to my dataset concatenating Region_Country, and create an "APeJ" calculated item that would sum all the "APJ_*" and substract the "APJ_Japan", but again, no clue, as I can't find a way to use any wild card in those formulas.

    Given that I already found extremely helpful tips and tricks in your site that helped me manage that bunch of data, I'm pretty sure you'll have a bright idea on how I can solve that one!

    Thanks in advance for your lights!

    • Chandoo says:

      Hi Catherine...

      In such cases, I advice using an additional column in the data itself. You can set-up a grouping table else where with country in first column, region in second column. And then in the data, you can add an extra column and use VLOOKUP to fetch the region based on the country.

      Then feed this entire data (with extra column) to pivot table and use the extra column to group the data.

      • Catherine says:

        Hi Chandoo,

        Thank you for your prompt answer.
        I finally came to the same conclusion - after a rest 🙂 . I was probably too tired Friday evening (it was rather late), having spent hours in manipulating all my surveys data so as to pull rolling averages, make nice graphs and so on, and was trying to find a complex solution when there was a simple one.

        Thanks again,
        Catherine

  9. Tzu says:

    Hey,

    Great post!

    I for example have different database structure with the following fields :

    Date, Expense, Income, Sum (Income - Expense), Category (Sales, Cost of Goods and etc).

    Creating a P&L report for the whole year works great. Including gross margin % and etc.

    Though, creating P&L report by QTR/Month is becoming impossible since i get the following error : “This PivotTable report field is grouped. You cannot add calculated item to grouped filed.”

    Is there a solution for this kind of problem?
     

  10. klumsyboy says:

    Like Adam and Juanito, I also cannot ungroup.

    Would appreciate it if you can add a few more lines and a screenshot or two on where to put the mouse cursor to ungroup. 

  11. klumsyboy says:

    Hi,  I have figured out the ungrouping problem. One of the earlier steps was to group by month, if you pull the month back down to the column then right click and then select ungroup, then pull the month back up so you end up with just data source and budget/actual as the headings, then you can continue on.

  12. Kent Lau says:

    To solve the ungroup problem, my method is:
    Copy the "data" sheet to a whole new Excel workbook
    and directly work on Part 6.

    And since it is a fresh copy, Excel don't show me the "can't ungroup" problem. Hope this help.

    Thank you Yogesh for this wonderful tutorial.

    Kent, Malaysia

  13. felipe says:

    Just when i thought pivots were awesome i learn about inserting the calculated fields and that makes them more awesome. chandoo where have you been all my life.

  14. barrierone says:

    Hello - your P&L pivot version has really impressed my boss and would like to use it. I have applied it for a actual vs budget vs forecast model I have created. One problem. In your variance above the operating profit percent % variance shows 33.8% but I want it to show (0.01) point or the true diff from prior budget.

    I know I can add calculation to the side but boss would like to see it in pivot table.

    Please help
    Thanks

  15. barrierone says:

    I have a further query which may solve my above dilemma. Is it possible to add a column that calculates percent increase. So in the example above a new column would be added to show variance %.

    Any help would be appreciated.

    Thanks