(1) In the case of information being provided from the population register under section 44 for commercial purposes and information being provided from the population register under sections 45 and 46, and where a block on releasing information within the meaning of section 51 (1) has been entered, the recipient may use the data only for the purposes for which they were transferred. The data are subsequently to be deleted.
(2) If data were collected for the purpose of commercially identifying addresses for third parties, these data may not be reused.