I would suggest writing your MRp1 policy so as to encompass all ongoing or possible future purchases within the scope of purchasing described by the credit. That is, even if you don't currently purchase any ongoing consumables as the property management, ensure that the policy covers any purchases that might occur in the future if circumstances change. The same applies to durable goods and the rest - your policy will be the formal document that guides your performance; that performance will then be documented within the specific credit. Hope that helps.