<P> A visa is not required for U.S. citizens to visit Canada for up to 180 days . Anyone seeking to enter Canada for any purpose besides a visit (e.g. to work, study or immigrate) must qualify for the appropriate entry status and can see the Canadian immigration website . The Canadian embassy or nearest consulate can be contacted for additional information . </P> <P> Some persons are inadmissible--they are not allowed to enter Canada . </P> <P> As of 2011, if a person is denied entry and advised to re-enter the U.S., they are issued form IMM 1282B . This form indicates that the person is allowed to withdraw their application to enter Canada, and is allowed to leave Canada . Persons who have been denied entry and provided this form are advised by the CBSA to show this form to the U.S. Customs and Border Protection (CBP). There appears to be no legal precedent, however, for the traveler to voluntarily submit this form to the CBP, and doing so may cause the CBP to consider the traveler suspicious, and as a result they may subject the traveler to exhaustive questioning and search . Information about the denial of entry may nevertheless be automatically and immediately available to the CBP . </P> <P> Individuals may be refused entry to or removed from Canada on the following grounds: </P>

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