# Do Not Allow Rate
**YouTube:** [How to Configure Rate Control Based on MRP in Sales Orders?](https://www.youtube.com/watch?v=kII9wJHmTQo)
## How to Configure Rate Control Based on MRP in Sales Orders?
This tutorial explains how to use the **“Do Not Allow Rate”** feature in the Sales Order module of Logic ERP. It demonstrates how to control item pricing based on **MRP (Maximum Retail Price)** conditions, ensuring that rates are entered within defined limits to maintain pricing discipline and prevent errors.
***
### **Objective of This Feature**
* Enforce **pricing rules based on MRP**
* Prevent **overpricing or invalid rate entries**
* Maintain **consistency in sales transactions**
* Strengthen **billing accuracy and control**
***
### **Accessing Sales Order Configuration**
* Navigate to **Sales Order Module**
* Click on **Configuration**
* Select the relevant **Sales Order Configuration**
* Locate the option Labeled as:
> **“Do Not Allow Rate”**
This feature provides **three parameters** to control rate entry:
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### Option 1: **None (No Restriction)**
**Functionality**
* No validation applied
**Result**
* Users can:
* Enter any rate
* Modify rates freely
***
### Option 2: **Do Not Allow Rate ≥ Item MRP**
**Functionality**
* Rate must always be **less than MRP**
**System Behavior**
* Example:
* MRP = ₹1200
* Entered Rate = ₹1000 (Allowed)
**Restricted Scenarios**
* Rate = ₹1200 (Equal to MRP)
* Rate > ₹1500 (Greater than MRP)
**System Response**
* Error message displayed:
* Rate cannot be equal to or greater than MRP
***
### **Option 3: Do Not Allow Rate > Item MRP**
**Functionality**
* Rate can be **equal to or less than MRP**
* Only higher values are restricted
**System Behavior**
* Example:
* MRP = ₹1200
* Rate = ₹1200 (Equal to MRP)
**Restricted**
* Rate > ₹1500
**System Response**
* Error message displayed:
* Rate cannot be greater than MRP
***
### **Key Benefits**
* Prevents **incorrect pricing entries**
* Ensures **compliance with pricing policies**
* Reduces **billing errors**
* Improves **profitability control**
***
### **Best Practice Tips**
* Use **“≥ MRP Restriction”** for strict pricing control
* Use **“> MRP Restriction”** when selling at MRP is allowed
* Regularly verify MRP values in item master
***
### **Final Outcome**
* Item rates are **validated against MRP rules**
* Pricing becomes **consistent and controlled**
* Errors in billing are **significantly reduced**
* Sales process becomes **more reliable and compliant**
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