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						Accession Date (Source)Definition:
	
	        This field contains the acquisition date of the object by your institution.
 Observation:        This field is used in conjunction with the  Acquisition Mode  and  Source  fields.
        Example
            A projectile shaft bequeathed by Lucie Richards on May 22, 1982
             |  | Object Name | projectile shaft | 
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 |  | Acquisition Mode | bequest | 
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 |  | Accession Date | 1982-05-22 | 
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 |  | Source | Richards, Lucie | 
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 Entry rules:        Enter the date in the form YYYY dash MM dash DD, in numbers only (Y for "year," M for "month," D for "day").
        ExampleA ring found during excavations by Larry Chan on February 13,
1991 |  | Object Name | ring | 
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 |  | Acquisition Mode | excavation | 
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 |  | Accession Date | 1991-02-13 | 
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 |  | Source | Chan, Larry | 
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      If only the year of acquisition is known, enter it in the form YYYY (Y for "year").
      Example
          A projectile point that has been in your collections since 1956
           |  | Object Name | projectile point | 
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 |  | Acquisition Mode | unknown | 
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 |  | Accession Date | 1956 | 
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 |  | Source | unknown | 
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  If you are unsure whether your information is correct, include a space and a question mark after the date.
  ExampleTwenty-one potsherds from the same pottery were given to your
institution by Brother Hubert Lantern. The date of the gift may
have been 1956. |  | Object Name | potsherd | 
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 |  | Quantity | 21 | 
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 |  | Material | clay | 
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 |  | Acquisition Mode | gift | 
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 |  | Accession Date | 1956 ? | 
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 |  | Source | Lantern, Hubert, Brother | 
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   If you know that an object was in your collections on a specific  date, but you have no information on the accession date, enter the date indicated in your files, followed by a space and the abbreviation "P" for "prior to."
  Example
      A necklace for which there is a date of assessment of its condition
(Current Condition Date field), but no accession data.
       |  | Object Name | necklace | 
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 |  | Current Condition | good | 
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 |  | Current Condition Date | 1959-04-19 | 
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 |  | Acquisition Mode | unknown | 
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 |  | Accession Date | 1959-04-19 P | 
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 |  | Source | unknown | 
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  If you are unable to determine the accession date despite your research, enter "unknown".
  Example
      A cup is part of your collections, but there is no information on
its accession date or acquisition mode.
       |  | Object Name | cup | 
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 |  | Acquisition Mode | unknown | 
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 |  | Accession Date | unknown | 
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 |  | Source | unknown | 
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 This field may not contain more than one entry.
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