Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 6 · column 4 of 9 · from the scan, no model involved

the registrant of responsibility of reporting the above listed changes as they occur. The mailing of any order, notice or blank form by the local board to a registrant to the address last reported by him to the local board shall constitute notice to him of the contents of the communication, whether he actually receives it or not. The Classification Record (SSS Form 102) shall be open to the public at the local board office. It shall be the duty of each registrant to keep himself informed of his status, and any entry concerning him on the Classification Record (SSS 102) shall constitute legal notice thereof to him and to all other interested persons.
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