$shipAPI->setMaxServiceLength($code, trim($dim[0]));
    $shipAPI->setMaxServiceWidth($code, trim($dim[1]));
    $shipAPI->setMaxServiceHeight($code, trim($dim[2]));
}
//************************************************************
// Flag Carrier for Flat Rate Box Qualification: OPTIONAL
// Item Dimensions are required
// AuctionInc will price service at the better of the
// flat (if item/s fit) or calcluated rate
// USPS (Priority Mail (boxes, envelopes), Express Mail (envelopes)
//    -- valid values: PKG / ENV / ALL
// FEDEX (International Priority (boxes)
//    -- valid values: PKG
// (typically fed in from your seller account configuration)
//************************************************************
$shipAPI->setFlatRatePackaging("USPS", 'PKG');
//************************************************************
// Example Items
// (typically fed in from cart)
//************************************************************
//************************************************************
// Create an array of items to rate
//************************************************************
$items = array();
//************************************************************
// Test Item 1 (calculated shipping example)
//************************************************************
$item = array();
$item["CalcMethod"] = "C";
$item["refCode"] = "test_item_1";
$item["quantity"] = 1;