Overview

1. Max Age per product: This option is called Local After and can be enabled going to Setup>Products>EditSetup>>Products>>Edit.
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2. Max Age per Category:  This option is called Local After and can be enabled going to Setup>ProductsSetup>>Products and click on the manage categories option. Then click on Edit for a specify given category. The, enter the Max Age in the Local After field and click on Save.
   
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3. Max Age per customer: This option is available in Customer Account "Advanced" Setup. Go to Setup>Customers. Click on Edit and enter the number of days on the Max Age field, in the E-commerce Settings. Then click on Save.
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4. Max Age per Company: this  This setting is available in Configuring E-commerce Commerce Settings. Go to Setup>E-commerce Settings (in the case of multilocation multi-location Setup>>Locations tab and E-commerce settings).
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   Warning
   title Important
   If none of the previous settings have been set up, the system will use by default a max age of 60 30 days for showing the products in the E-commerce availability.