(c) However, the department may require: 1. A quarterly return and payment when the tax remitted by the dealer for the preceding four calendar quarters did not exceed $1,000.2. A semiannual return and payment when the tax remitted by the dealer for the preceding four calendar quarters did not exceed $500.3. An annual return and payment when the tax remitted by the dealer for the preceding four calendar quarters did not exceed $100.4. A quarterly return and monthly payment when the tax remitted by the dealer for the preceding four calendar quarters exceeded $1,000 but did not exceed $12,000. The department is authorized to allow a dealer filing returns and paying tax under subparagraph 1., subparagraph 2., subparagraph 3., or subparagraph 4. to continue to use the same filing frequency, even though the dealer has paid tax in a filing period that is greater than the maximum amount allowed for such period. The dealer must submit a written request to the department to be continued on the same filing frequency, and such request must be based on an explanation that the tax amount submitted represents nonrecurring business activity.