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delivery.setTown(receiver.getCity());
delivery.setExactMatch("Y");
delivery.setProvince(receiver.getProvince());
delivery.setPostcode(receiver.getPostalCode());
delivery.setCountry(receiver.getCountryCode().toUpperCase());
consignment.setDelivery(delivery);

$ \Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,. $
$$\Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,.$$