Effective April 20, 2021, patient and caregiver identification cards will no longer include a photograph of the patient or caregiver. A valid photo (with a white background) is still required for the application process and dispensary verification. All previously issued patient and caregiver registration cards that include a photograph of the patient or caregiver will remain valid until the ...Registration for Adult Patients‧Purchase Mmcc ID Card‧Patients and Caregivers Actions‧Maryland Medical Cannabis Commission‧FAQs‧Contact.