diff --git a/erpnext/assets/doctype/asset/asset.py b/erpnext/assets/doctype/asset/asset.py
index ab37e91..8f208e2 100644
--- a/erpnext/assets/doctype/asset/asset.py
+++ b/erpnext/assets/doctype/asset/asset.py
@@ -292,12 +292,6 @@
 		if self.status not in ("Submitted", "Partially Depreciated", "Fully Depreciated"):
 			frappe.throw(_("Asset cannot be cancelled, as it is already {0}").format(self.status))
 
-		if self.purchase_invoice:
-			frappe.throw(_("Please cancel Purchase Invoice {0} first").format(self.purchase_invoice))
-
-		if self.purchase_receipt:
-			frappe.throw(_("Please cancel Purchase Receipt {0} first").format(self.purchase_receipt))
-
 	def delete_depreciation_entries(self):
 		for d in self.get("schedules"):
 			if d.journal_entry:
diff --git a/erpnext/regional/italy/e-invoice.xml b/erpnext/regional/italy/e-invoice.xml
index 9a588d1..9978dc0 100644
--- a/erpnext/regional/italy/e-invoice.xml
+++ b/erpnext/regional/italy/e-invoice.xml
@@ -1,5 +1,5 @@
-{%- macro format_float(value) -%}
-{{ "%.2f" % value|abs }}
+{%- macro format_float(value, precision=2) -%}
+{{ value|round(frappe.utils.cint(precision)) }}
 {%- endmacro -%}
 
 {%- macro render_address(address) %}
@@ -182,10 +182,10 @@
         <Descrizione>{{ html2text(item.description or '') or item.item_name }}</Descrizione>
         <Quantita>{{ format_float(item.qty) }}</Quantita>
         <UnitaMisura>{{ item.stock_uom }}</UnitaMisura>
-        <PrezzoUnitario>{{ format_float(item.price_list_rate or item.rate) }}</PrezzoUnitario>
+        <PrezzoUnitario>{{ format_float(item.price_list_rate or item.rate, item_meta.get_field("rate").precision) }}</PrezzoUnitario>
         {{ render_discount_or_margin(item) }}
-        <PrezzoTotale>{{ format_float(item.amount) }}</PrezzoTotale>
-        <AliquotaIVA>{{ format_float(item.tax_rate) }}</AliquotaIVA>
+        <PrezzoTotale>{{ format_float(item.amount, item_meta.get_field("amount").precision) }}</PrezzoTotale>
+        <AliquotaIVA>{{ format_float(item.tax_rate, item_meta.get_field("tax_rate").precision) }}</AliquotaIVA>
         {%- if item.tax_exemption_reason %}
         <Natura>{{ item.tax_exemption_reason.split("-")[0] }}</Natura>
         {%- endif %}
@@ -197,8 +197,8 @@
         {%- if data.tax_exemption_reason %}
         <Natura>{{ data.tax_exemption_reason.split("-")[0] }}</Natura>
         {%- endif %}
-        <ImponibileImporto>{{ format_float(data.taxable_amount) }}</ImponibileImporto>
-        <Imposta>{{ format_float(data.tax_amount) }}</Imposta>
+        <ImponibileImporto>{{ format_float(data.taxable_amount, item_meta.get_field("tax_amount").precision) }}</ImponibileImporto>
+        <Imposta>{{ format_float(data.tax_amount, item_meta.get_field("tax_amount").precision) }}</Imposta>
         <EsigibilitaIVA>{{ doc.vat_collectability.split("-")[0] }}</EsigibilitaIVA>
         {%- if data.tax_exemption_law %}
         <RiferimentoNormativo>{{ data.tax_exemption_law }}</RiferimentoNormativo>
diff --git a/erpnext/regional/italy/utils.py b/erpnext/regional/italy/utils.py
index 407677f..12f5762 100644
--- a/erpnext/regional/italy/utils.py
+++ b/erpnext/regional/italy/utils.py
@@ -151,7 +151,8 @@
 						tax_rate=tax.rate,
 						tax_amount=(reference_row.tax_amount * tax.rate) / 100,
 						net_amount=reference_row.tax_amount,
-						taxable_amount=reference_row.tax_amount,
+						taxable_amount=(reference_row.tax_amount if tax.charge_type == 'On Previous Row Amount'
+							else reference_row.total),
 						item_tax_rate={tax.account_head: tax.rate},
 						charges=True
 					)
@@ -278,7 +279,11 @@
 	progressive_name, progressive_number = get_progressive_name_and_number(doc, replace)
 
 	invoice = prepare_invoice(doc, progressive_number)
-	invoice_xml = frappe.render_template('erpnext/regional/italy/e-invoice.xml', context={"doc": invoice}, is_path=True)
+	item_meta = frappe.get_meta("Sales Invoice Item")
+
+	invoice_xml = frappe.render_template('erpnext/regional/italy/e-invoice.xml',
+		context={"doc": invoice, "item_meta": item_meta}, is_path=True)
+
 	invoice_xml = invoice_xml.replace("&", "&amp;")
 
 	xml_filename = progressive_name + ".xml"