Ma Form St 12 - A sales tax exemption certificate can be used by businesses (or in some cases,. Telephone services to residential users. Web this form may be used by a contractor when purchasing or leasing tangible personal property from a vendor in connection with.
A sales tax exemption certificate can be used by businesses (or in some cases,. Web this form may be used by a contractor when purchasing or leasing tangible personal property from a vendor in connection with. Telephone services to residential users.