The design, however, was significantly changed with a white background colour, a transparent window on the right side of the card, a second ghost image located in the transparent window, and the replacement of optical stripe with a 2-D barcode. PR cards issued after 1 February 2012 no longer contain the holder's signature. In circulation since 25 November 2015, the 2015 version of the card has a RFID chip which can be used for future land border crossings. Unlike the biometric chips found in Canadian passports, the RFID chip does not store any personal data, but instead a unique identifier. When entering Canada from a land port of entry, the RFID chip in the PR card will be read by RFID tag readers. The unique identifier is then transmitted to a secure database and the permanent resident's information is retrieved by the CBSA officer who will have information even before the vehicle stops at the inspection booth. The design is similar to the 2009 version, although an image of the Peace Tower is shown on the background. The new version also removed immigration category and the 2-D barcode from the back of the card. It is necessary to supply a Canadian residential address at the time of landing. If a Canadian address cannot be supplied at the time, one must be provided to IRCC within 180 days. Otherwise, a new application made to IRCC's processing centre in Sydney, Nova Scotia, will be required, at a cost of to the applicant. There is no fee for a first PR card provided that the applicant provides an address before the 180-day deadline. Permanent residents as of 28 June 2002 and new permanent residents who did not provide a Canadian residential address, or whose PR card was expired, lost, stolen or damaged, must apply to IRCC's processing centre in Sydney, Nova Scotia, for a new card. The applicant must demonstrate he or she has resided for at least 730 days before the five-year period of the card's renewal application. The fee is . In some cases, the PR card must be collected in person at an IRCC office in Canada. The PR card is normally valid for five years. However, it may be valid for one year for those whose PR status is being assessed by the IRCC. As permanent residents must meet the residency obligation (minimum of 730 days in every five years) in order to renew PR cards, all valid PR card holders are deemed to have not lost permanent resident status and have the right to enter and remain in Canada during the card's validity. If, however, the Canada Border Services Agency (CBSA) officer at the port of entry considers the permanent resident may not meet the residency obligation, the person may be reported to IRCC and may be required to attend a hearing to determine his or her PR status.