Maryland Schedule C — Request For Limited Order is a form used by taxpayers in the state of Maryland to request a limited assessment for certain tax credits. This form is used to request a limited assessment of taxes for credits such as the Maryland Historic Preservation Tax Credit or the Maryland Renewable Energy Tax Credit. There are three types of Maryland Schedule C — Request For Limited Order: Form 500CR-C, Form 502CR-C, and Form 504CR-C. Form 500CR-C is used to request a limited assessment of the Maryland Historic Preservation Tax Credit; Form 502CR-C is used to request a limited assessment of the Maryland Renewable Energy Tax Credit; and Form 504CR-C is used to request a limited assessment of the Maryland Qualified Research Activities Tax Credit. All three forms require the taxpayer to provide detailed information about the tax credit being claimed, the amount of the credit requested, and the reason for the request.