On October 2, 2014, a state inspector from the Michigan Department of Agriculture and Rural Development (MDARD) inspected World Call Shop LLC, doing business as "Taco King". The inspections revealed issues in the kitchen that led to the owner voluntarily closing the restaurant to address the issues. The facility has reopened as of October 3, 2014. I discovered this because I was at the restaurant with a big group just before they closed, and one person in the party had their money refunded.
These inspection reports are now online at a2docs as World Call Shop (Taco King) inspections, October 2 2014.
I like Taco King - they are reasonably priced and the food is tasty. But I think they need help in their kitchen to make sure that the people making the food know exactly how to keep food safe and keep dishes clean.
Grocery stores in Michigan have food inspections regulated by the State of Michigan and not by Washtenaw County, hence this facility is not part of the every six month routine inspections by the County Health Department. It's also worth noting that this data is routinely published online. See the following for Ann Arbor area inspection information.
Sword Solutions has inspection information from Washtenaw County Health Department.
HealthInspection.info takes this data and presents it in attractive map and graph form, so you can zoom in on a restaurant and get a quick overview of their food safety.
For statewide grocery store and convenience store reports, see the MDARD Food Inspection Reports. I don't know how frequent the routine grocery store inspection is.