4It is not recommended that corrections be stuck 粘 in the parent book or current supplement 补编, but ,if
this is done, when a new supplement is received care must be taken to retain 保 留 those corrections issued after the date of the new supplement, which may be several months before its receipt on board.
(1) are reprinted in the Annual Summary of Notices to Mariners.

The Sailing Directions

The corrections to Sailing Directions

The effective corrections to Notices to Mariners

The Weekly Edition(2) The parent book is .A. The Sailing DirectionB. The corrections to Sailing Directions in forceC. The Annual Summary of Notices to Mariners D. The Weekly Edition(3) It is recommended that corrections to the Sailing Directions be .A. made by handB. consulted at the last week of each monthC. stuck in the parent book or current supplementD. kept in a file with the latest list of corrections in force on top(4) If the corrections be stuck in the parent book or current supplement, .A. when a new supplement is received, those corrections issued after the date of the new supplement must be retainedB. the parent book must be consultedC. the current supplement must be consultedD. the Annual Summary of Notices to Mariners must be used