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Imagine Thandi runs a busy spaza shop in Soweto. Every day, she sells cold drinks, bread, and airtime. When a customer pays for bread, Thandi gives them a cash slip. That slip is proof the sale happened. In South Africa, source documents like receipts, invoices, and cash slips are the backbone of honest business. They record every transaction, help with SARS tax returns, and protect against fraud. If Thandi loses her slips, she can’t prove her sales or claim expenses. The concrete example: Thandi sells R20 bread, gives a cash slip, and later uses it to record the sale in her Cash Receipts Journal (CRJ). The abstract rule: Every transaction must have a source document. Without it, there’s no reliable record.
Sipho owns a car wash in Durban. When a customer pays cash, he issues a receipt. If a business client asks to pay later, Sipho gives an invoice. In South Africa, common source documents include cash slips (for cash sales), receipts (proof of payment), invoices (for credit sales), and deposit slips (when money is banked). Each document has key details: date, amount, parties involved, and a unique number. For example, an invoice from Sipho’s Car Wash might say: Invoice No. 102, Date: 10 Jan 2024, Customer: Ahmed, Amount: R150. A common misconception is thinking all documents are the same. Correction: Each document has a specific use—receipts for cash received, invoices for money owed, and so on.
Lerato works part-time at her uncle’s tuckshop in Mthatha. When she sells chips for R10, she issues a cash slip. At the end of the day, she uses all the slips to fill in the Cash Receipts Journal (CRJ). The process: 1) Collect all source documents. 2) Check each for accuracy. 3) Record the details (date, amount, source) in the correct journal. For example, a cash sale goes into the CRJ, while a credit sale (on invoice) goes into the Sales Journal. This step-by-step recording ensures the business’s books are accurate and ready for audit. If Lerato skips a slip, her uncle’s records will be wrong, which could cause problems with SARS or suppliers.
Ahmed manages a small electronics store in Polokwane. He knows that without proper source documents, anyone could pocket cash or make up sales. Source documents are a key part of internal control—they help prevent theft and errors. Auditors (people who check business honesty) use these documents to verify every transaction. For example, if Ahmed’s store shows R5,000 in sales, the auditor will check the receipts and cash slips to confirm. If documents are missing, it’s a red flag. In South Africa, businesses must keep source documents for at least five years for SARS. This protects both the business and its customers.
Step 1: Thandi sells airtime for R50 in her Soweto spaza shop and issues a cash slip. Reason: Every cash sale must have a source document. Step 2: She checks the slip for date (15 Jan 2024), amount (R50), and slip number (0012). Reason: Accuracy is vital for records and audits. Step 3: Thandi enters the details in her Cash Receipts Journal (CRJ): Date: 15 Jan 2024, Details: Airtime sale, Amount: R50, Source Doc: Cash Slip 0012. Reason: The CRJ tracks all cash received. Final answer: The R50 sale is correctly recorded in the CRJ with reference to Cash Slip 0012. Sanity check: The amount on the slip matches the cash in the till.
Step 1: Sipho’s Car Wash provides a R200 service to a business client, who will pay later. Sipho issues Invoice No. 205. Reason: Credit sales require an invoice as proof. Step 2: He checks the invoice for date (20 Jan 2024), client name (Lerato’s Boutique), and amount (R200). Reason: Details must be correct for payment and records. Step 3: Sipho records the transaction in the Sales Journal: Date: 20 Jan 2024, Details: Lerato’s Boutique, Amount: R200, Source Doc: Invoice 205. Reason: The Sales Journal tracks all credit sales. Final answer: The R200 credit sale is recorded in the Sales Journal with Invoice 205. Sanity check: The invoice copy matches the amount in the journal.
Question: Ahmed sells a phone charger for R120 cash in his Polokwane store and issues Receipt No. 321. How should he record this? Let’s think: What document is used? Receipt. Is it cash or credit? Cash. Which journal? CRJ. Worked response: Date: today’s date, Details: Phone charger, Amount: R120, Source Doc: Receipt 321. Remember, the CRJ is only for cash received, not credit sales. Now you try: Sipho sells car shampoo for R80 cash, issues Cash Slip 045. Where and how is it recorded? Answer: CRJ, Date: today’s date, Details: Car shampoo, Amount: R80, Source Doc: Cash Slip 045. Always check that the cash matches the slip before recording.
Question: Lerato’s tuckshop sells R300 worth of snacks on credit to the local soccer club, issues Invoice 110. Where does this go? Think: Credit sale = Sales Journal. Worked response: Date: today’s date, Details: Local soccer club, Amount: R300, Source Doc: Invoice 110. Remember, credit sales never go in the CRJ. Now you try: Ahmed sells R250 electronics on credit to Bafana Hardware, Invoice 222. Where and how is it recorded? Answer: Sales Journal, Date: today’s date, Details: Bafana Hardware, Amount: R250, Source Doc: Invoice 222. Double-check that the sale was truly on credit before recording.
1. List three types of source documents used in South African businesses, such as receipts, invoices, and deposit slips. 2. Name two details found on a typical receipt, like the date and amount. 3. State which journal records cash received from customers and explain why it is used for this purpose.
1. Given a cash slip for R60 dated 12 Feb 2024, explain how you would record it in the CRJ, including the details you would enter. 2. Identify the error: A credit sale is recorded in the CRJ instead of the Sales Journal. 3. List two reasons why source documents are important for internal control, and give an example of a problem if documents are missing.
1. Ahmed finds a missing receipt for a R500 sale. Explain the impact on his records and how to fix it, considering SARS requirements. 2. Compare the use of invoices and cash slips in business transactions, giving an example of each. 3. Solve: Given three cash slips (R100, R150, R200) and two invoices (R250, R300), calculate the total to be recorded in the CRJ and Sales Journal, and explain your reasoning.
Answer: Receipt
Receipts are given for cash sales. Invoices are for credit sales, deposit slips for banking, and order forms for placing orders.
Answer: The date of transaction
The date proves when the transaction happened. The other details are not essential for accounting records.
Answer: Sales Journal
Credit sales are recorded in the Sales Journal. The CRJ is for cash received, not credit sales.
Answer: Audit problems
Missing source documents make it hard to prove transactions, leading to audit and tax issues.
Answer: Advertising
Source documents are not used for advertising; they are for recording and proving transactions. Many learners confuse business paperwork with marketing, but advertising is not a function of these documents. Their main roles are to provide evidence, support internal controls, and help calculate taxes.
Answer: Date of transaction, amount due (also accept: invoice number, customer name)
Invoices always show the date and amount due, which are critical for payment and records.
Answer: They provide proof of income and expenses for tax purposes.
SARS requires source documents to verify business income and expenses during tax assessments. Without these documents, a business cannot justify its reported earnings or deductions, which can lead to penalties or additional tax owed. Keeping proper documents is a legal requirement.
Answer: R600
Add all cash slips: R100 + R200 + R300 = R600. This total represents the cash received from sales, which should be recorded in the CRJ. If a learner misses one slip, the total will be incorrect and the business records will not balance.
Answer: Invoice
Invoices are used for credit sales, while receipts are for cash sales. This is a common exam question.
Answer: Cash Receipts Journal
Cash sales are recorded in the CRJ, not the Sales Journal. Many learners confuse the two, but only cash received goes into the CRJ. Credit sales, even if for goods, must be entered in the Sales Journal instead.
Answer: The customer owes Lerato R500
An invoice means a credit sale; the customer must still pay. This is important because the money has not yet been received, so it is not recorded in the CRJ. Learners often confuse invoices with receipts, but only receipts prove payment.
Answer: Deposit slip
A deposit slip is proof of money banked, not a sale or purchase. It is used to show that cash has been deposited into the business’s bank account, which is important for bank reconciliation and audit purposes.